PartsTable TECHNICAL DATA SHEET

NSN 5310-01-568-1579Government record, cited

Washer, Lock5310-01-568-1579

NSN 5310-01-568-1579 · NIIN 015681579 · Part number LWSY138

Clamps Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 14934

Government record, cited

NSN 5310-01-568-1579 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-568-1579. Manufacturer of record part number: LWSY138.

Also searched as 5310-01-568-1579 · 5310015681579 · NIIN 015681579 · 01-568-1579 · FSC 5310 Nuts and Washers · CAGE 14934 · LWSY138 · 14KP497 · 14KP497

Nearby stock numbers ← 5310-01-568-1543 Nut, Plain, Hexagon · 5310-01-568-1622 Nut, Plain, Clinch →

5310-01-568-1579 — Nuts and Washers

Features

Washer,lock — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Clamps Inc

Identification

NSN: 5310-01-568-1579
NIIN: 015681579
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: LWSY138
Manufacturer: Clamps Inc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-568-1579, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Clamps Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-568-1579
Primary Part Number	LWSY138
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Clamps Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
14KP497	Oshkosh Defense Llc (USA)
LWSY138 PRIMARY	Clamps Inc (USA)

Reference documents

Reference	Meaning
14KP497	5/9 Secondary reference Oshkosh Corp

No interchangeability data on file.

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

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-568-1579?

NSN 5310-01-568-1579 is a Washer,lock, manufactured by Clamps Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-568-1579?

NSN 5310-01-568-1579 has 2 manufacturer part numbers on file: 14KP497 (Oshkosh Defense Llc), LWSY138 (Clamps Inc).

What are the specifications of LWSY138?

Key specifications for LWSY138: Part Name Assigned by Controlling Agency: LOCK WASHER; End Item Identification: 2320-01-542-7628; TRUCK, CARGO. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-568-1579 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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