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Technical Data Sheet
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328739 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

328739: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-334-3517, 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
328739
NSN: 5310-01-334-3517
NIINs: 013343517, 014520472
FSC: 5310 — Nuts and Washers
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
Part Number328739
NSN5310-01-334-3517
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 328739 · 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 1
ZB0328739Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 328739?
328739 is a WASHER,SHOULDERED.
What parts can replace 328739?
There is 1 known substitute for 328739: ZB0328739. Substitute compatibility should be verified for your specific system.
What is the NSN for 328739?
328739 is cataloged in the U.S. Government catalog under NSN 5310-01-334-3517. This indicates validated use in U.S. government and defense supply chains.
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