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Technical Data Sheet
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81309759 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

81309759: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-407-9566, 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
81309759
NSN: 5310-00-407-9566
NIINs: 004079566, 011828971
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number81309759
NSN5310-00-407-9566
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 81309759 · 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
SUBSTITUTES & CROSS-REFERENCES 10
1914998Reference document
Same NSN cross-reference
Reference document — Secondary reference
403369Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS35338-45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
16KP634Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1372ADXReference document
Same NSN cross-reference
Reference document — Secondary reference
1459-67Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81309759?
81309759 is a WASHER,LOCK.
What parts can replace 81309759?
There are 10 known substitutes for 81309759: 1914998, 403369, MS35338-45 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81309759?
81309759 is cataloged in the U.S. Government catalog under NSN 5310-00-407-9566. 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.