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860439-9 — COVER,ACCESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

860439-9: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: AUA STARTER MOTOR. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-534-2355, 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
860439-9
NSN: 5310-00-534-2355
NIINs: 005342355, 015379755
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
special_featuresAUA STARTER MOTOR
NSN5310-00-534-2355
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 860439-9 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.657 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.812 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
INTERNAL KEY QUANTITY: 1
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.657 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.812 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN
MATERIAL THICKNESS0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER1.340 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5342355Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 860439-9?
860439-9 is a COVER,ACCESS.
What parts can replace 860439-9?
There is 1 known substitute for 860439-9: 5342355. Substitute compatibility should be verified for your specific system.
What is the NSN for 860439-9?
860439-9 is cataloged in the U.S. Government catalog under NSN 5310-00-534-2355. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.