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4487(US26D) — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4487(US26D): WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-288-1257, 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
4487(US26D)
NSN: 5310-01-288-1257
FSC: 5310 — Nuts and Washers
CAGE: 87541 — STANLEY HARDWARE CO INC (USA)
SPECIFICATIONS
Part Number4487(US26D)
NSN5310-01-288-1257
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4487(US26D) · 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
5589767Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 4487(US26D)?
4487(US26D) is a WASHER,RECESSED.
What parts can replace 4487(US26D)?
There is 1 known substitute for 4487(US26D): 5589767. Substitute compatibility should be verified for your specific system.
What is the NSN for 4487(US26D)?
4487(US26D) is cataloged in the U.S. Government catalog under NSN 5310-01-288-1257. This indicates validated use in U.S. government and defense supply chains.
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