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1677-04-421-6140 — WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1677-04-421-6140: WASHER.

The WASHER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-128-5347, 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
1677-04-421-6140
NSN: 5310-01-128-5347
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number1677-04-421-6140
NSN5310-01-128-5347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1677-04-421-6140 · 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 8
805-1400054PC9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8100-1251-0285 PT NO 100Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5310PL1262374Reference document
Same NSN cross-reference
Reference document — Informative reference only
167-7044218-32Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
803-6397262-32Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
805-1400054 PIEReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1677-04-421-6140?
1677-04-421-6140 is a WASHER.
What parts can replace 1677-04-421-6140?
There are 8 known substitutes for 1677-04-421-6140: 805-1400054PC9, 8100-1251-0285 PT NO 100, 5310PL1262374 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1677-04-421-6140?
1677-04-421-6140 is cataloged in the U.S. Government catalog under NSN 5310-01-128-5347. 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.