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  • NASA STD 5020 : 2012

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Available format(s): 

    Superseded date:  08-10-2021

    Language(s): 

    Published date:  01-01-2012

    Publisher:  National Aeronautics and Space Administration

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

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

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Aeronautics and Space Administration
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    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

    Standards Referencing This Book - (Show below) - (Hide below)

    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
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