MIL-S-8879 Revision C:1991
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Screw Threads, Controlled Radius Root withIncreased Minor Diameter, General Specification for (S/S by SAE-AS8879)
Available format(s)
PDF
Published date
25-07-1991
Publisher
Superseded date
24-02-2003
Superseded by
€16.67
Excluding VAT
1 Scope
2 Applicable documents
3 Requirements
4 Verification
5 Packaging
6 Notes
Covers detailed requirements for controlled root radius screw threads, UNJ symbol. Coverage includes applicable documents, tread application categories, thread series, designations, external threads, internal threads, pitch diameter, taper, incomplete threads, lead treads, surface roughness, runout, responsibility for inspection, thread characteristics verification, and lot quantities.
| DevelopmentNote |
C Notice 3 - Notice of Cancellation/Superseded by SAE AS 8879. (03/2003)
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| DocumentType |
Standard
|
| Pages |
38
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| PublisherName |
US Military Specs/Standards/Handbooks
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
| MIL-N-85615-10 Base Document:1989 | Nut, Self-Sealing, Self-Locking, CRES, 160 KSI FTU, 250 Deg. F and 450 Deg. F |
| NASA MSFC STD 2594 : 2002 | MSFC FASTENER MANAGEMENT & CONTROL PRACTICES |
| MIL-S-5944 Revision C:1990 | SLINGS, AIRCRAFT, GENERAL SPECIFICATION FOR (S/S BY SAE-AS5944) |
| MIL-A-83577 Revision B:1988 | Assemblies, Moving Mechanical, for Space and Launch Vehicles, General Specification for (No S/S Document) |
| MIL-V-29592 Base Document:1993 | VALVE, AIR VENT, AUTOMATIC, HYDRAULIC, LOW PRESSURE TYPE II SYSTEMS, GENERAL SPECIFICATION FOR |
| MIL T 6396 : E | TANKS, AIRCRAFT PROPULSION FLUID SYSTEM, INTERNAL REMOVABLE, NON-SELF-SEALING |
| MIL F 27272 : B | FITTING, TETRAFLUOROETHYLENE HOSE, HIGH TEMPERATURE, MEDIUM PRESSURE, GENERAL REQUIREMENTS FOR |
| JSGS-87231 Revision A:1995 | Engines, Aircraft, Turbine (S/S by JSSG-2007) |
| MIL-B-6039 Revision E:1994 | Bearings, Ball, Rod End, Double Row, Self-Aligning (S/S by SAE-AS6039) |
| MIL H 26626 : D | HOSE ASSEMBLY, TETRAFLUOROETHYLENE, OXYGEN |
| MIL-STD-7080 Base Document:1994 | Selection and Installation of Aircraft Electric Equipment |
| MIL-B-85667-6 Revision A:1991 | BOLT, SLEEVE, 100 DEGREES REDUCED FLUSH HEAD, STRAIGHT SHANK, CRES 304 SLEEVE, NICKEL ALLOY 718 PIN, 125 KSI FSU, 450 DEGREES F |
| MIL-T-38473 Revision A:1972 | Timer, Precision, Bombing, 0 - 30 Minutes (No S/S Document) |
| MIL-F-85421 Revision B:1986 | FITTINGS, TUBE, FLUID SYSTEMS, SEPARABLE, BEAM SEAM, 3000/4000 PSI - GENERAL SPECIFICATION FOR |
| MIL C 27536 : B | COUPLING, CLAMP, GROOVED, V-BAND |
| MIL-N-25027-1 Revision A:1995 | Nut, Self-Locking, Heavy Hex, (Non-Metallic Insert) 250 Degrees and 450 Degrees F, UNJC-3B, 1/4 Through 2-1/2 Inch Nominal Diameters, Nickel-Copper Alloy (S/S by MIL-DTL-32258) |
| MIL S 9395 : F | SWITCHES, PRESSURE, [ABSOLUTE, GAGE AND DIFFERENTIAL] GENERAL SPECIFICATION FOR |
| MIL-C-7135 Revision F:1967 | Compressor, Pneumatic, 3,000 PSI -- 2 SCFM Aero 2A (*), Aero 2A-1 (*), Aero 2B (*), and Aero 2B-1 (*) |
| MIL-B-85667 Revision A:1991 | BOLT, SLEEVE, STRAIGHT SHANK, PROTRUDING AND FLUSH HEAD GENERAL SPECIFICATION FOR |
| SAE AS1472A | Hose Assembly, Low Pressure, Potable Water |
| SAE AS1338A | Aerospace Metric 60° Screw Thread Profile and Tolerance Classes |
| DOD-E-83578 Revision A:1987 | EXPLOSIVE ORDNANCE FOR SPACE VEHICLES, GENERAL SPECIFICATION FOR (METRIC) (NO S/S DOCUMENT) |
| MIL-V-81356 Revision B:1992 | Valve, Fuel System Pressurization And Vent |
| MIL-B-85667-2 Revision A:1991 | BOLT, SLEEVE, 100 DEG. REDUCED FLUSH HEAD, STRAIGHT SHANK, CRES 304 SLEEVE, CRES PH 13-8MO PIN, 125 KSI FSU |
| MIL I 45932 : 0 | INSERT, SCREW THREAD, THIN WALL, LOCK IN |
| API 616 REDLINE : 2011 | GAS TURBINES FOR THE PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| SAE AS7997 | Motors, Aircraft Hydraulic, Constant Displacement General Specification For |
| MIL-N-45938 Revision A:1995 | NUT, PLAIN, CLINCH AND NUT, SELF-LOCKING, CLINCH, GENERAL SPECIFICATION FOR (S/S BY NASM45938) |
| MIL-B-8907 Revision A:1983 | Bolt, Alloy Steel, Shear and Tensile (156 KSI FSU and 260 KSI FTU, 450 Degrees F) External Wrenching, Flanged Head (S/S by NASM8907) |
| MIL-B-87114 Revision A:1978 | BOLTS, RECESS DRIVE, GENERAL SPECIFICATION FOR |
| MS 124691 124730 : E | INSERT, CRES HELICAL COIL FINE THREAD, 1-1/2 DIA NOMINAL LENGTH |
| MIL H 25579 : E | HOSE ASSEMBLY, TETRAFLUOROETHYLENE, HIGH TEMPERATURE MEDIUM PRESSURE, GENERAL REQUIREMENTS FOR |
| MS21077 Revision H:1994 | NUT, SELF-LOCKING, PLATE, TWO LUG, FLOATING, NON-METALLIC INSERT, STEEL, 125 KSI FTU, 250 DEG. F (S/S BY NASM21077) |
| MIL-B-8906 Revision C:1988 | Bolt, Alloy Steel, Shear and Tensile, (132 KSI FSU and 220 KSI FTU), 450 Degrees F, Spline Drive, General Specification for (S/S by NASM8906) |
| MIL-S-45909 Revision C:1989 | STUD, LOCKED IN, RING LOCKED, SERRATED, GENERAL SPECIFICATION FOR (S/S BY NASM45909) |
| MIL-B-23964 Revision D:1981 | Bolt, Self-Retaining, Positive Locking (S/S by NASM23964) |
| MIL-N-85353 Base Document:1981 | NUTS (FASTENERS) INTERNALLY THREADED, PRELOAD LOCKING 450 DEG F 800 DEG F,1200 DEG F, GENERAL SPECIFICATION FOR |
| MIL-B-83050 Revision D:1985 | Bolt, Self-Retaining, Impedance Type (S/S by NASM83050) |
| MIL BULL 343 : A | DOCUMENTS APPLICABLE TO AIRCRAFT ENGINES AND PROPELLERS, USE OF |
| MIL-S-7839 Revision B:1973 | SCREW, STRUCTURAL, AIRCRAFT (S/S BY NASM7839) |
| MIL-B-7874 Revision B:1982 | Bolt, Machine, 1200 Degrees F (S/S by NASM7874) |
| MIL F 83798 : B | FITTING, RUBBER HOSE, LIGHTWEIGHT MEDIUM PRESSURE, GENERAL SPECIFICATION FOR |
| MS122116THRUMS122155 Revision D:1976 | INSERT CRES HELICAL COIL COARSE THREAD 1 1/2 DIA. NOMINAL LENGTH (S/S BY NASM122116THRU122155) |
| MIL I 45910 : C | INSERT, SCREW THREAD LOCKED IN & RING LOCKED 1 SERRATED GENERAL SPECIFICATION FOR |
| MIL-B-85604 Revision A:1988 | BOLT, NICKEL ALLOY 718, TENSION, HIGH STRENGTH, (125 KSI FSU & 220 KSI FTU) HIGH TEMPERATURE, SPLINE DRIVE, GENERAL SPECIFICATION FOR |
| MIL-T-81364 Base Document:1966 | T-BOLT, 180,000 PSI, TYPE 431 STAINLESS STEEL, MANUFACTURING PROCESS REQUIREMENTS (NO S/S DOCUMENT) |
| MIL-H-8775 Revision D:1976 | Hydraulic System Components, Aircraft and Missiles General Specification for (S/S by SAE-AS8775) |
| MIL-N-85730 Base Document:1988 | NUT, SELF-LOCKING, SPLINE DRIVE, ASSEMBLED WASHER, NICKEL ALLOY 718, 220 KSI FTU, 900 DEGREES F, GENERAL SPECIFICATION FOR |
| MIL-STD-1312-11 Revision A:1984 | FASTENER TEST METHODS METHOD 11, TENSION FATIGUE (S/S BY NASM1312-11) |
| MIL-N-45938-6 Revision C:1995 | NUT, SELF-LOCKING, CLINCH, (SWAGE-CLINCHING, KNURLED SHANK, MINIATURE, 450 DEG. F, OR 800 DEG. F) (S/S BY NASM45938/6) |
| MIL-B-8831 Revision B:1982 | Bolt, 180 KSI FTU and 180 KSI FSU, 450 Degrees F Protruding and Flush Head, General Specification for (S/S by NASM8831) |
| MIL-I-8846 Revision D:1994 | Inserts, Screw-Thread, Helical Coil (S/S by NASM8846) |
| MIL-B-7838 Revision C:1989 | Bolt, Internal Wrenching, 160 KSI FTU (S/S by NASM7838) |
| MIL-N-8984 Base Document:1972 | NUT, SELF-LOCKING, STEEL, 260 KSI FTU, 450 DEG. F (S/S BY NASM8984) |
| MIL-N-8985 Base Document:1972 | NUT, SELF LOCKING STEEL, 180 KSI FTU, 450 DEGREE F (S/S BY NASM8985) |
| MIL F 9490 : D | FLIGHT CONTROL SYSTEMS - DESIGN, INSTALLATION AND TEST OF PILOTED AIRCRAFT, GENERAL SPECIFICATION FOR |
| MIL-S-45915 Revision A:1967 | STUD, LOCKED IN - KEY LOCKED, GENERAL SPECIFICATION FOR (S/S BY NASM45915) |
| MS124731THRUMS124770 Revision D:1976 | INSERT, CRES HELICAL COIL FINE THREAD, 2 DIA NOMINAL LENGTH (S/S BY NASM124731THRU124770) |
| MIL-B-8952 Revision B:1995 | Bearing, Roller, Rod End, Antifriction Self-Aligning (S/S by SAE-AS8952) |
| MIL-DTL-6162 Revision C:2000 | Generators and Starter-Generators, Electrical Direct Current, Nominal 30 Volts, Aircraft General Specification for |
| MIL-F-8961 Revision A:1992 | Fastener Element, Self-Locking, Externally Threaded, 450 Degrees Fahrenheit and 1,200 Degrees Fahrenheit |
| MIL F 18240 : E | FASTENER ELEMENT, SELF-LOCKING, THREADED FASTENER, 250 DEG F MAXIMUM |
| MIL-C-7413 Revision B:1970 | Coupling, Quick Disconnect, Automatic Shutoff, General Specification for (S/S by SAE-AS7413) |
| MIL-I-45934 Base Document:1971 | Insert, Screw Thread, Keyring Locked, Self Locking and Non Self Locking, 125, 180, and 220 KSI FTU: General Specification for (No S/S Document) |
| SAE AS1349B | Insert, Screw Thread, Helical Coil, Locking (Low Friction Systems), Performance Standard for |
| MIL-PRF-25676 Revision E:1997 | ADAPTER, PRESSURE LUBRICATING OIL SERVICING, AIRCRAFT (S/S BY MIL-DTL-25677) |
| MIL P 23470 : C | PIN-RIVET, THREADED AND COLLAR, PIN-RIVET, THREADED, TORQUE CONTROLLED, PRE-STRESS, SELF-LOCKING, GENERAL SPECIFICATION FOR |
| MIL V 7899 : C | VALVE, CHECK, AIRCRAFT FUEL SYSTEM |
| MIL-B-85598 Base Document:1988 | BEARINGS, ELASTOMERIC GENERAL SPECIFICATION FOR |
| MIL S 25057 : B | SCREEN SYSTEM, AIR INLET, AIRCRAFT TURBINE ENGINE, GENERAL SPECIFICATION FOR |
| MIL-B-81365 Base Document:1966 | Bleed Air Systems, General Specification for |
| MIL-C-38373 Revision B:1975 | Cap, Fluid Tank Filler (No S/S Document) |
| SAE AS7481C | Studs, Steel, UNS S66286 Aged After Roll Threaded Procurement Specification For |
| SAEITC TS149-2 | TS149 Technical Specification for All Metal Self-Locking Nuts (UNJ Threads) 1550 MPa (225,000 lbf/in²) Minimum Tensile Strength at Ambient Temperature |
| MIL-H-38360 Revision B:1966 | Hose Assemblies, Tetrafluoroethylene, High-Temperature, High Pressure, 3000 PSI, Hydraulic and Pneumatic (S/S by SAE-AS604 and SAE-AS1339) |
| FED-STD-H28 Revision A:1994 | Screw-Thread Standards for Federal Services |
| MIL-S-8710 Revision B:1969 | Strainer, Airframe Fuel System, General Specification for |
| MIL-M-7997 Revision C:1981 | Motor, Aircraft Hydraulic, Constant Displacement General Specification for |
| MIL-V-8610 Revision B:1984 | Valve, Fuel Shutoff Solenoid Operated, 28 Volt DC |
| MIL F 83296 : 0 | FITTING, TETRAFLUOROETHYLENE HOSE, HIGH TEMPERATURE, HIGH PRESSURE (3,000 PSI HYDRAULIC AND PNEUMATIC) |
| MIL-P-87210 Base Document:1984 | Pneumatic Power Systems, High Pressure (No S/S Document) |
| MIL-B-85667-10 Base Document:1991 | BOLT, SLEEVE, 100 DEGREES TENSION FLUSH HEAD, STRAIGHT SHANK, CRES 304 SLEEVE, CRES A-286 PIN, 160 KSI FTU, 450 DEGREES F |
| MIL-N-85615-8 Base Document:1989 | Nut, Self-Sealing, Self-Locking, Alloy Steel, 125 KSI FTU, 250 Deg. F and 450 Deg. F |
| MIL E 24021 : J NOTICE 1 | ELECTRIC POWER MONITORS, EXTERNAL, AIRCRAFT |
| MIL-DTL-27536 Revision C:1995 | Coupling, Clamp, Grooved, V-Band (S/S by SAE-AS5355) |
| MIL-F-5509 Revision D:1978 | Fitting, Flared Tube, Fluid Connection (see Notice 2 for Additional Superseding Information) |
| MIL-I-45914 Revision A:1991 | Insert, Screw Thread - Locked in, Key Locked, General Specification for |
| MIL-D-8804 Revision B:1993 | Deicing System, Pneumatic Boot, Aircraft, General Specification for (S/S by SAE-AS8804) |
| MIL C 22263 : B | COUPLING FUEL LINE, FLEXIBLE, 125 PSI, GENERAL SPECIFICATION FOR |
| MIL T 83454 : 0 | TERMINAL, STUD, BLIND PLATE, FOR ELECTRICAL BONDING AND GROUNDING (NONINSULATED) |
| SAE AS4098A | Hose Assembly, Polytetrafluoroethylene, Heavy Duty, Metallic Reinforced, 400 °F, 5000 psi Hydraulic and Pneumatic |
| SAE ARP1616B | Self-Sealing Breakaway Valves for Crash-Resistant Aircraft Fuel and Oil Systems |
| MS33537 Revision E:1974 | INSERT, SCREW THREAD, HELICAL COIL, INCH SERIES, COARSE AND FINE THREAD, STANDARD ASSEMBLY DIMENSIONS FOR (S/S BY NASM33537) |
| MIL-F-8615 Revision D:1976 | Fuel System Components, General Specification for (S/S by SAE-ARP8615) |
| MIL G 6162 : B | GENERATOR AND STARTER GENERATOR, ELECTRIC DIRECT CURRENT, NOMINAL 30 VOLTS AIRCRAFT GENERAL SPECIFICATION |
| JSSG-2006 Base Document:1998 | Aircraft Structures |
| MIL-F-18280 Revision F:1995 | Fittings, Flareless Tube, Fluid Connection (S/S by SAE-AS18280) |
| SAE AS4444 | Fittings, 24° Cone Flareless, Fluid Connection, 5000 psi |
| MIL-B-85667-13 Base Document:1991 | BOLT, 100 DEGREES TENSION FLUSH HEAD, STRAIGHT SHANK, ALUMINUM ALLOY SLEEVE, TITANIUM ALLOY PIN, 95 KSI FSU, 160 KSI FTU |
| MIL-B-8948 Revision A:1972 | Bearing, Plain, Rod End, TFE Lined, Self-Aligning |
| MIL-S-7742 Revision D:1991 | Screw Threads, Standard, Optimum Selected Series: General Specification for |
| NASA KSC F 124 : 1994 | SPECIFICATION FOR FITTINGS, FLARED TUBE |
| MS9688 Revision A:1988 | BOLT, MACHINE-HEXAGON HEAD, DRILLED, 1 HOLE, PD SHANK, STEEL, DIFFUSED NICKEL CADIUM, .375-24 UNJF-3A |
| MIL S 007742 : C | SCREW THREADS, STANDARD, OPTIMUM SELECTED SERIES: GENERAL SPECIFICATION FOR |
| MIL-R-23761 Revision B:1975 | Regulators, Voltage, and Control Panels Aircraft, Direct Current Generator, General Specification for |
| DOD-E-8983 Revision C:1977 | ELECTRONIC EQUIPMENT, AEROSPACE, EXTENDED SPACE ENVIRONMENT, GENERAL SPECIFICATION FOR |
| MIL-E-85583 Revision A:1987 | ELECTRIC POWER GENERATING CHANNEL, VARIABLE INPUT SPEED, ALTERNATING CURRENT, 400 HZ, AIRCRAFT, GENERAL SPECIFICATION FOR |
| MIL-N-85729 Base Document:1988 | NUT, SELF-LOCKING, A-286, 160 KSI FTU, 450 DEGREES F, GENERAL SPECIFICATION FOR |
| MIL-S-38399 Revision A:1975 | Starter, Pneumatic, Aircraft Engine General Specification For (No S/S Document) |
| MIL-B-85667-9 Base Document:1991 | BOLT, SLEEVE, PROTRUDING HEAD, STRAIGHT SHANK, CRES 304 SLEEVE, CRES A-286 PIN, 95 KSI FSU, 160 KSI FTU, 450 DEGREES F |
| SAE AS1371A | Nuts, Self-Locking, Corrosion Resistant Steel High Strength, Prevailing Torque, All Metal 800°F (427°C) Use, UNJ Thread Form |
| SAE ARP260D | Control Lever Connections (60° V Serrations) |
| SAE AS4726A | Nuts, Self-Locking, UNS S66286 Classification: 220 ksi/850 °F Procurement Specification |
| SAE AS4897 | Hose Assembly, Polytetrafluoroethylene (PTFE), Low Pressure, 450 °F and Fireproof, Procurement Specification for |
| EN 6113:2015 | Aerospace series - Circuit breaker, connecting and attachment hardware |
| MIL-DTL-18240 Revision F:1997 | Fastener Element, Self-Locking, Threaded Fastener, 250 Degrees F Maximum |
| MIL-HDBK-60 Base Document:1990 | Threaded Fasteners - Tightening to Proper Tension |
| MIL H 85800 : 0 | HOSE ASSEMBLIES, POLYTETRAFLUOROETHYLENE, ARAMID FIBER REINFORCED, 5000 & 8000 PSI, GENERAL SPECIFICATION FOR |
| MIL-F-85720 Base Document:1985 | FITTING, TUBE, FLUID SYSTEMS, SEPARABLE, HIGH PRESSURE, DYNAMIC BEAM, SEAL, GENERAL SPECIFICATION FOR |
| MIL-N-25161 Revision C:1969 | NOZZLE, AERIAL PRESSURE REFUELING, TYPE MA-2 |
| BS EN 6113:2015 | Aerospace series. Circuit breaker, connecting and attachment hardware |
| MIL-P-85315 Base Document:1979 | Pump, Ejector, Air Vehicle Fuel, General Specification For |
| SAE AS1960 | Coupling Assembly, V-Band, Sheet Metal Flange, Pneumatic Tube |
| 13/30285939 DC : 0 | BS EN 6113 - AEROSPACE SERIES - CIRCUIT BREAKER, CONNECTING AND ATTACHMENT HARDWARE |
| MIL-B-3990 Revision D:1980 | Bearings, Roller, Needle, Airframe, Antifriction, Inch (S/S by SAE-AS39901) |
| MS9558 Revision E:1993 | BOLT, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, CORROSION AND HEAT RESISTANT STEEL, .3125-24 UNJF-3A (S/S BY SAE-AS9558) |
| NASA MSFC STD 506 : 1988 | MATERIALS AND PROCESSES CONTROL |
| MIL R 5149 : B | ROCKET ENGINE, LIQUID PROPELLANT GENERAL SPECIFICATION FOR |
| MIL-T-5955 Revision C:1970 | TRANSMISSION SYSTEM, VTOL - STOL, GENERAL REQUIREMENTS FOR (NO S/S DOCUMENT) |
| MIL-W-5013 Revision L:1991 | Wheel and Brake Assemblies, Aircraft General Specification For |
| SAE AS4388 | Hose Assembly PTFE Heavy Duty, -65 To 400 °F (-55 To 204 °C) 8000 psi (56 000 kPa) Hydraulic and Pneumatic |
| DOD STD 1312/11 : LATEST | FASTENER, TEST METHODS METRIC, METHOD 11, TENSION FATIGUE (S/S BY DOD STD 1312-111) |
| PREN 6113 : 200P2 | AEROSPACE SERIES - CIRCUIT BREAKER, CONNECTING AND ATTACHMENT HARDWARE |
| I.S. EN 6113:2015 | AEROSPACE SERIES - CIRCUIT BREAKER, CONNECTING AND ATTACHMENT HARDWARE |
| API 616 : 2011 | GAS TURBINES FOR THE PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES |
| SAE AS82C | Screw Thread Form, American National, Modified (National Round - NR) |
| SAE MA2079 | Hose Assembly, Convoluted Polytetrafluoroethylene, High Temperature, Medium Pressure, Aircraft, Metric |
| SAE AS3173A | BOLT, MACHINE - DOUBLE HEX EXTENDED WASHER HEAD, CLOSE TOLERANCE SHANK, AMS5643 (UNS S17400), 140 KSI, .5625-18, UNJF-3A |
| FED-STD-H28-4 Base Document:1978 | Screw Thread Standards for Federal Services, Section 4, Controlled Radius Rood Screw Threads, UNJ Symbol |
| FED-STD-H28-1 Revision A:1985 | Screw-Thread Standards for Federal Services Section 1 Nomenclature, Definitions and Letter Symbols for Screw Threads |
| ASME B46.1 : 2009 | SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY) |
| FED-STD-H28-2 Revision B:1991 | Screw-Thread Standards for Federal Services Section 2 Unified Inch Screw Threads- UN and UNR Thread Forms |
| FED-STD-H28-20 Revision B:1994 | Screw-Thread Standards for Federal Services Section 20 Inspection Methods for Acceptability of UN, UNR, UNJ, M, AND MJ Screw Threads |
| FED-STD-H28-6 Revision A:1978 | SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS |
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