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LWSY138 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LWSY138: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include end_item_identification: 2320-01-542-7628; TRUCK, CARGO, part_name_assigned_by_controlling_agency: LOCK WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-568-1579, 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
LWSY138
NSN: 5310-01-568-1579
FSC: 5310 — Nuts and Washers
CAGE: 14934 — CLAMPS INC (USA)
SPECIFICATIONS
end_item_identification2320-01-542-7628; TRUCK, CARGO
part_name_assigned_by_controlling_agencyLOCK WASHER
NSN5310-01-568-1579
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LWSY138 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCK WASHER
END ITEM IDENTIFICATION2320-01-542-7628; TRUCK, CARGO
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 1
14KP497Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 LWSY138?
LWSY138 is a WASHER,LOCK.
What parts can replace LWSY138?
There is 1 known substitute for LWSY138: 14KP497. Substitute compatibility should be verified for your specific system.
What is the NSN for LWSY138?
LWSY138 is cataloged in the U.S. Government catalog under NSN 5310-01-568-1579. This indicates validated use in U.S. government and defense supply chains.
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