Name: NASA STD 5020 : 2012
Brand: NASA

NASA STD 5020 : 2012

Superseded

View Superseded by

REQUIREMENTS FOR THREADED FASTENING SYSTEMS IN SPACEFLIGHT HARDWARE

Superseded date

08-10-2021

Published date

01-01-2012

Publisher

National Aeronautics and Space Administration

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Status	Superseded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-5020A:2018

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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
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