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751-6402402-53 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

751-6402402-53: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-466-6091, 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
751-6402402-53
NSN: 5310-01-466-6091
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number751-6402402-53
NSN5310-01-466-6091
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 751-6402402-53 · 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 9
751-6402402 ITEM 53Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6402952 IT 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
751-6402407 FIND 53Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6402404-53Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6402406-53Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
751-6402406 ITEM 53Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 751-6402402-53?
751-6402402-53 is a WASHER,FLAT.
What parts can replace 751-6402402-53?
There are 9 known substitutes for 751-6402402-53: 751-6402402 ITEM 53, 6402952 IT 1, 751-6402407 FIND 53 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402402-53?
751-6402402-53 is cataloged in the U.S. Government catalog under NSN 5310-01-466-6091. This indicates validated use in U.S. government and defense supply chains.
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