PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 021.450536
021.450536 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The 021.450536 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-773-7624, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
021.450536
NSN: 5310-00-773-7624
FSC: 5310
CAGE: D1597 — AIM INFRAROT-MODULE GMBH (DEU)
SPECIFICATIONS
Part Number021.450536
NSN5310-00-773-7624
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 021.450536 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOLE DIAMETER: 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
SPECIFICATION/STANDARD DATA: 80205-NAS620 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
OVERALL DIAMETER: 0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
END ITEM IDENTIFICATIONMRAP RG-33; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA80205-NAS620 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL DIAMETER0.262 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
THICKNESS0.032 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
77A3613-29Interchangeable
interchangeable cross-reference
interchangeable
819066-014Interchangeable
interchangeable cross-reference
interchangeable
962350911Interchangeable
interchangeable cross-reference
interchangeable
10-29974Interchangeable
interchangeable cross-reference
interchangeable
5310PL0724727Interchangeable
interchangeable cross-reference
interchangeable
65906Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 021.450536?
021.450536 is a 021.450536.
What parts can replace 021.450536?
There are 27 known substitutes for 021.450536: 77A3613-29, 819066-014, 962350911 and 24 more. Substitute compatibility should be verified for your specific system.
Is 021.450536 still available?
021.450536 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026