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S18943 ITEM 9 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S18943 ITEM 9: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-413-9028, 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
S18943 ITEM 9
NSN: 5310-01-413-9028
FSC: 5310 — Nuts and Washers
CAGE: 72166 — B.W. ELLIOTT MANUFACTURING CO., LLC (USA)
SPECIFICATIONS
Part NumberS18943 ITEM 9
NSN5310-01-413-9028
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S18943 ITEM 9 · 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 4
18851 ITEM 11Reference document
Same NSN cross-reference
Reference document — Secondary reference
7029-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
18943 ITEM N0. 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-624-S07029-00 4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 S18943 ITEM 9?
S18943 ITEM 9 is a WASHER,LOCK.
What parts can replace S18943 ITEM 9?
There are 4 known substitutes for S18943 ITEM 9: 18851 ITEM 11, 7029-4, 18943 ITEM N0. 9 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S18943 ITEM 9?
S18943 ITEM 9 is cataloged in the U.S. Government catalog under NSN 5310-01-413-9028. 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.