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D1002873 PIECE 21 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

D1002873 PIECE 21: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-380-4563, 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
D1002873 PIECE 21
NSN: 5310-01-380-4563
FSC: 5310 — Nuts and Washers
CAGE: 64731 — WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES (USA)
SPECIFICATIONS
Part NumberD1002873 PIECE 21
NSN5310-01-380-4563
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D1002873 PIECE 21 · 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
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 2
D1-020873 PIECE 21Reference document
Same NSN cross-reference
Reference document — Secondary reference
01-013983-011Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D1002873 PIECE 21?
D1002873 PIECE 21 is a WASHER,LOCK.
What parts can replace D1002873 PIECE 21?
There are 2 known substitutes for D1002873 PIECE 21: D1-020873 PIECE 21, 01-013983-011. Substitute compatibility should be verified for your specific system.
What is the NSN for D1002873 PIECE 21?
D1002873 PIECE 21 is cataloged in the U.S. Government catalog under NSN 5310-01-380-4563. This indicates validated use in U.S. government and defense supply chains.
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