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18Z2987 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

18Z2987: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-081-0799, 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
18Z2987
NSN: 5310-01-081-0799
FSC: 5310 — Nuts and Washers
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
Part Number18Z2987
NSN5310-01-081-0799
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 18Z2987 · 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 8
2GK823Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R0033232-0301Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
R0033232Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7210/0047Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
112264Reference document
Same NSN cross-reference
Reference document — Secondary reference
EE-101243Reference 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 18Z2987?
18Z2987 is a WASHER,LOCK.
What parts can replace 18Z2987?
There are 8 known substitutes for 18Z2987: 2GK823, R0033232-0301, R0033232 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18Z2987?
18Z2987 is cataloged in the U.S. Government catalog under NSN 5310-01-081-0799. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.