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NASA STD 5020 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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REQUIREMENTS FOR THREADED FASTENING SYSTEMS IN SPACEFLIGHT HARDWARE

Superseded date

08-10-2021

Published date

01-01-2012

DOCUMENT HISTORY LOG
FOREWORD
1. SCOPE
2. APPLICABLE DOCUMENTS
3. ACRONYMS AND DEFINITIONS
4. GENERAL REQUIREMENTS
5. DESIGN REQUIREMENTS AND CONSIDERATIONS
6. CRITERIA FOR ANALYSIS OF THREADED FASTENING SYSTEMS
7. QUALITY ASSURANCE
APPENDICES
A. EXPLANATION AND JUSTIFICATION OF FASTENER ANALYSIS CRITERIA
B. BEST PRACTICES FOR LOCKING FEATURES
C. JUSTIFICATION FOR THE LOW-RISK FATIGUE CLASSIFICATION
D. REFERENCES

Describes requirements for design and analysis of threaded fastening systems in NASA spaceflight hardware.

DocumentType
Standard
PublisherName
National Aeronautics and Space Administration
Status
Superseded
SupersededBy

NASA STD 5001 : 2014 STRUCTURAL DESIGN AND TEST FACTORS OF SAFETY FOR SPACEFLIGHT HARDWARE
NASA JSC 65828 : 2011 STRUCTURAL DESIGN REQUIREMENTS AND FACTORS OF SAFETY FOR SPACEFLIGHT HARDWARE
NASA STD 5019 : 2016 FRACTURE CONTROL REQUIREMENTS FOR SPACEFLIGHT HARDWARE
NASA JSC 08080-2 : 2015 JSC DESIGN AND PROCEDURAL STANDARDS
NASA STD 6016 : 2016 STANDARD MATERIALS AND PROCESSES REQUIREMENTS FOR SPACECRAFT
NASA STD 5017 : 2015 DESIGN AND DEVELOPMENT REQUIREMENTS FOR MECHANISMS
NASA JSC 20793 : 2017 CREWED SPACE VEHICLE BATTERY SAFETY REQUIREMENTS
NASA MSFC HDBK 3697 : 2014 ELECTRICAL BONDING DESIGN GUIDE HANDBOOK
NASA STD 5012 : 2016 STRENGTH AND LIFE ASSESSMENT REQUIREMENTS FOR LIQUID-FUELED SPACE PROPULSION SYSTEM ENGINES

FAA AC 23.607-1 : 0 SELF-LOCKING NUTS ON BOLTS SUBJECT TO ROTATION
NASA STD 6008 : 2008 CHANGE 1 2013 NASA FASTENER PROCUREMENT, RECEIVING INSPECTION, AND STORAGE PRACTICES FOR SPACEFLIGHT HARDWARE
NAS6703-6720:2016 BOLT, TENSION, HEX HEAD, CLOSE TOLERANCE, A286 CRES, LONG THREAD, REDUCED MAJOR THREAD DIA., SELF-LOCKING AND NONLOCKING, 160 KSI FTU
NAS1774:2012 NUT, SELF-LOCKING, PLATE, ONE LUG, LOW HEIGHT, CBORED, FLOATING, 160 KSI, 450 DEGREES F, 800 DEGREES F
SAE AS 567 : 2015 SAFETY CABLE, SAFETY WIRE, KEY WASHERS, AND COTTER PINS FOR PROPULSION SYSTEMS, GENERAL PRACTICES FOR USE OF
NAS1351:2009 SCREW, CAP, SOCKET HEAD, UNDRILLED AND DRILLED, PLAIN AND SELF-LOCKING, ALLOY STEEL, CORROSION-RESISTANT STEEL AND HEAT-RESISTANT STEEL, UNRF-3A
NASM33588:2010 NUT, SELF-LOCKING, AIRCRAFT, RELIABILITY AND MAINTAINABILITY USAGE REQUIREMENTS FOR
NAS1291:2010 NUT, SELF-LOCKING, HEXAGON, LOW HEIGHT, LIGHT WEIGHT
SAE AIR 1754B: 2012 WASHER, THERMAL COMPENSATING, METRIC SERIES
NASA STD 5001 : 2014 STRUCTURAL DESIGN AND TEST FACTORS OF SAFETY FOR SPACEFLIGHT HARDWARE
MIL-I-45914 Revision A:1991 INSERT, SCREW THREAD - LOCKED IN, KEY LOCKED
NAS1773:2012 NUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, CBORED, FLOATING, 160 KSI, 450 DEGREES F, 800 DEGREES F
MIL-PRF-23377 Revision K:2012 PRIMER COATINGS: EPOXY, HIGH-SOLIDS
NASM 21043 : 2003 NUT, SELF-LOCKING, 800 DEGREES F, REDUCED HEXAGON, REDUCED HEIGHT, RING BASE, CRES
NAS1189:2003 SCREW, SELF-LOCKING, FLAT 100 DEGREES HEAD, CRUCIFORM AND OFFSET CRUCIFORM RECESS, FULL THREAD
NASM25027:2012 NUT, SELF-LOCKING, 250 DEGREES F, 450 DEGREES F, AND 800 DEGREES F
NASM21046:2000 NUT, SELF-LOCKING, HEXAGON, REGULAR HEIGHT, 800 DEGREES F, 125 KSI FTU
NASM33540:2003 SAFETY WIRING, SAFETY CABLING, COTTER PINNING, GENERAL PRACTICES FOR
ASTM D 5363 : 2016 : REDLINE Standard Specification for Anaerobic Single-Component Adhesives (AN)
NASM8846:2011 INSERT, SCREW-THREAD, HELICAL COIL
NAS8100-8106:2013 SCREW, PAN HEAD, RIBBED CRUCIFORM RECESS, A286 CRES, FULL THREAD, SELF-LOCKING AND NONLOCKING
NASA STD 5019 : 2016 FRACTURE CONTROL REQUIREMENTS FOR SPACEFLIGHT HARDWARE
NAS618:2010 FASTENER - RECOMMENDED SHANK, HOLE AND HEAD-TO-SHANK FILLET RADIUS LIMITS FOR
VDI 2230 Blatt 2:2014-12 Systematic calculation of highly stressed bolted joints - Multi bolted joints
NASM 21045:2004 NUT, SELF-LOCKING, HEXAGON, REGULAR HEIGHT, 450 DEGREES F, 125 KSIFTU
FAA AC 20-71 : 1970 DUAL LOCKING DEVICES ON FASTENERS
NAS3350:2012 NUT, SELF-LOCKING, 450 DEGREES F AND 800 DEGREES F, HIGH QUALITY
MIL-DTL-18240 Revision F:1997 FASTENER ELEMENT, SELF-LOCKING, THREADED FASTENER, 250 DEGREES F MAXIMUM
FED-STD-H28 Revision A:1994 Screw-Thread Standards for Federal Services
NASM15981:2010 FASTENERS, EXTERNALLY THREADED, SELF-LOCKING DESIGN AND USAGE LIMITATIONS FOR
MIL I 45932 : 0 INSERT, SCREW THREAD, THIN WALL, LOCK IN
NASM1312-15:2012 FASTENER TEST METHODS METHOD 15 TORQUE-TENSION
NASA STD 6016 : 2016 STANDARD MATERIALS AND PROCESSES REQUIREMENTS FOR SPACECRAFT
MIL-HDBK-60 Base Document:1990 THREADED FASTENERS - TIGHTENING TO PROPER TENSION

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