BS 3A125 TO 3A[...](1981) : 1981
Current
Current
The latest, up-to-date edition.
AEROSPACE SERIES - SPECIFICATION FOR STIFFNUTS (UNIFIED THREADS) FOR AIRCRAFT
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
01-01-1981
Publisher
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Section 1. General requirements
1 Scope
2 Definitions
3 Design and dimensions
4 Material and manufacture
5 Freedom from defects
6 Protective coating
7 Screw threads
8 Squareness of face of thread
9 Identification and marking
Section 2. Inspection and testing
10 Qualification approval
11 Production batch acceptance
12 Inspection of samples
13 Testing of samples
14 Test bolts
15 Torque test
16 Bolt tolerance test
17 Endurance test
18 Torsional strength test (anchor nuts and stripnuts)
19 Thrust test (anchor nuts)
20 High temperature test
21 Low temperature test
22 Pressure test for cap nuts
Appendix A - Equipment for testing stiffnuts
Provide the dimensions, material, finish, testing and identification of aircraft stiffnuts with Unified threads.
| Committee |
ACE/12
|
| DevelopmentNote |
Supersedes 79/78721 DC (07/2005) 1981 Edition Re-Issued in May 2013 & incorporates AMD 1 2013. (05/2013)
|
| DocumentType |
Standard
|
| Pages |
40
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| DEFSTAN 00-970(PT1)SEC4/8(2011) : 2011 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4 - DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT1)SEC4/7(2011) : 2011 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT1)SEC4/9(2012) : 2012 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4 - DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT7)SEC2/SUPP4/5(2015) : INTERIM | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 7: ROTORCRAFT - SUPPLEMENT 4: DESIGN AND CONSTRUCTION (SUBPART D) |
| DEFSTAN 00-970(PT7)SEC4/2(2007) : 2007 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 7: ROTORCRAFT - SECTION 4: DETAIL DESIGN AND STRENGTH OF MATERIALS |
| DEFSTAN 00-970(PT1)SEC4/5(2007) : 2007 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: COMBAT AIRCRAFT - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT7)SEC4/1(2006) : 2006 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 7: ROTORCRAFT - SECTION 4: DETAIL DESIGN AND STRENGTH OF MATERIALS |
| DEFSTAN 00-970(PT1)SEC4/10(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT1)SEC4/11(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT1)SEC4/4(2006) : 2006 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: COMBAT A/C - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT1)SEC4/12(2014) : 2014 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT1)SEC4/6(2010) : 2010 | DESIGN AND AIRWORTHINESS REQUIREMENTS FORD SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT1)SEC4/13(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4: DESIGN AND CONSTRUCTION |
| BS 2A 122; 2A 123; 2A 124:1981 | Specification for clinch nuts (Unified threads) for aircraft |
| DEFSTAN 00-970(PT1)SEC4/14(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 1: FIXED WING - SECTION 4: DESIGN AND CONSTRUCTION |
| DEFSTAN 00-970(PT7)SEC2/SUPP4/6(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 7: ROTORCRAFT - SUPPLEMENT 4: DESIGN AND CONSTRUCTION (SUBPART D) |
| BS 4A 169:2002 | Specification for aluminium alloy bolts (Unified hexagons and Unified threads) for aircraft |
| BS 7S 80:2002 | High chromium-nickel corrosion resisting steel forging stock, bars, forgings and parts (880 to 1080 MPa: limiting ruling section 100 mm) |
| BS 2S 511:1970 | Specification for deep drawing carbon steel sheet and strip (280/400 MPa) (suitable for welding) |
| BS 3S95(1967) : 1967 | SPECIFICATION FOR 1[1/2] PER CENT NICKEL-CHROMIUM-MOLYBDENUM STEEL - (880/1080 MPA: LIMITING RULING SECTION 150 MM) |
| BS 2S 114:1964 | Specification for aircraft material. Manganese-molybdenum steel (55/65 tonf/sq in: limiting ruling section 2½ inches) |
| BS S526(1969) : 1969 | AEROSPACE SERIES - SPECIFICATION FOR SOFTENED 18/10 CHROMIUM-NICKEL CORROSION-RESISTING STEEL SHEET AND STRIP (TITANIUM STABILIZED: 540 MPA) |
| DEFSTAN 91-114/1(2003) : 2003 | LUBRICATING OIL, AIRCRAFT CONTROLS: ANTIFREEZING JOINT SERVICE DESIGNATION: OM-150 |
| BS 2S 113:1964 | Specification for aircraft material. \'40\' carbon steel bright bars for machining (45-55 tonf/sq in: limiting ruling section 1 inch) (primarily intended for the manufacture of nuts) |
| BS 4A102(2002) : 2002 | AEROSPACE SERIES - SPECIFICATION FOR STEEL BOLTS (UNIFIED HEXAGONS AND UNIFIED THREADS) FOR AIRCRAFT |
| BS 2HR 205:2009 | Specification for nickel-copper alloy sheet and strip: annealed (nickel base, Cu 31) |
| DEFSTAN 03-9/3(2007) : 2007 | ELECTRO-DEPOSITION OF SILVER |
| BS S 154:1976 | Specification. 2½% nickel-chromium-molybdenum steel billets, bars, forgings and parts (880-1080 MPa: limiting ruling section 150 mm) |
| BS 3L 80:1985 | Specification for sheet and strip of aluminium-2¼% magnesium alloy (temper designation-O) |
| BS 1580-1:2007 | Unified screw threads Screw threads with diameters ¼ in and larger. Requirements |
| BS 2S 92:1964 | Specification for aircraft material. Carbon-manganese steel (suitable for welding) (40/55 tonf/sq in: limiting ruling section 4 in) |
| DEFSTAN 03-25/5(2008) : 2008 | SULFURIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS |
| BS EN 2133:2010 | Aerospace series. Cadmium plating of steels with specified tensile strength ≤ 1450 MPa, copper, copper alloys and nickel alloys |
| BS 2S 137:1976 | Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm) |
| BS L 163:1978 | Specification for sheet and strip of aluminium-coated aluminium-copper-magnesium-silicon-manganese alloy (solution treated, cold worked for flattening and aged at room temperature) (Cu 4.4, Mg 0.5, Si 0.8, Mn 0.8) |
| BS 2S 112:1964 | Specification for aircraft material. Semi-free cutting carbon steel, bright bars for machining (40-50 tonf/sq in: maximum size ½ inch diameter or minor sectional dimension) (primarily intended for the manufacture of nuts) |
| BS 2S 117:1964 | Specification for aircraft material. 1 per cent chromium steel (55/65 tonf/sq in: limiting ruling section 1⅛ inch) |
| BS L 168:1978 | Specification for bars and extruded sections of aluminium-copper-magnesium-silicon-manganese alloy (solution treated and artificially aged) (not exceeding 200 mm diameter or minor sectional dimension) (Cu 4.4, Mg 0.5, Si 0.7, Mn 0.8) |
| BS 4A104(2002) : 2002 | AEROSPACE SERIES - SPECIFICATION FOR CORROSION-RESISTING STEEL BOLTS (UNIFIED HEXAGONS AND UNIFIED THREADS), STRENGTH CLASS 880 MPA, FOR AIRCRAFT |
| BS 3L 81:1985 | Specification for sheet and strip of aluminium-2¼% magnesium alloy (temper designation H16 or H26) |
| BS 2S 510:1970 | Specification for carbon steel sheet and strip (430/540 MPa) (suitable for welding) |
| BS S527(1969) : 1969 | AEROSPACE SERIES - SPECIFICATION FOR SOFTENED 18/10 CHROMIUM-NICKEL CORROSION-RESISTING STEEL SHEET AND STRIP (NIOBIUM STABILIZED: 540 MPA) |
| DEFSTAN 03-19/4(2010) : 2010 | ELECTRO-DEPOSITION OF CADMIUM |
| DEFSTAN 80-217/1(2002) : 2002 | CORROSION PREVENTIVE COMPOUND: SOFT FILM, COLD APPLICATION NATO CODE: C-614 JOINT SERVICES DESIGNATION: PX-1 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.