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J-9640-2 PIECE 16A — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

J-9640-2 PIECE 16A: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-149-9652, 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
J-9640-2 PIECE 16A
NSN: 5310-01-149-9652
FSC: 5310 — Nuts and Washers
CAGE: 72957 — ELLIOTT COMPANY DIV JEANNETTE (USA)
SPECIFICATIONS
Part NumberJ-9640-2 PIECE 16A
NSN5310-01-149-9652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: J-9640-2 PIECE 16A · 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
390059-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is J-9640-2 PIECE 16A?
J-9640-2 PIECE 16A is a WASHER,LOCK.
What parts can replace J-9640-2 PIECE 16A?
There is 1 known substitute for J-9640-2 PIECE 16A: 390059-1. Substitute compatibility should be verified for your specific system.
What is the NSN for J-9640-2 PIECE 16A?
J-9640-2 PIECE 16A is cataloged in the U.S. Government catalog under NSN 5310-01-149-9652. This indicates validated use in U.S. government and defense supply chains.
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