PartsTable TECHNICAL DATA SHEET

NSN 5310-01-571-3977Government record, cited

Washer, Lock5310-01-571-3977

NSN 5310-01-571-3977 · NIIN 015713977 · Part number R2003090

Denel Vehicle Systems · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE SZ177

Government record, cited

NSN 5310-01-571-3977 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-571-3977. Manufacturer of record part number: R2003090.

Also searched as 5310-01-571-3977 · 5310015713977 · NIIN 015713977 · 01-571-3977 · FSC 5310 Nuts and Washers · CAGE SZ177 · R2003090 · R2003090-CM00

Nearby stock numbers ← 5310-01-571-3953 Washer, Lock · 5310-01-571-3999 Washer, Lock →

5310-01-571-3977 — Nuts and Washers

Features

Washer,lock — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Denel Vehicle Systems

Identification

NSN: 5310-01-571-3977
NIIN: 015713977
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: R2003090
Manufacturer: Denel Vehicle Systems

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-571-3977, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Denel Vehicle Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Washer,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Denel Vehicle Systems (CAGE SZ177); General Dynamics Land Systems Canadacorp (CAGE 56161)

Technical Specifications

Parameter	Value
NSN	5310-01-571-3977
Primary Part Number	R2003090
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Denel Vehicle Systems
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
R2003090 PRIMARY	Denel Vehicle Systems (ZAF)
R2003090	General Dynamics Land Systems Canadacorp (CAN)

Reference documents

Reference	Meaning
R2003090-CM00	D/9 Drawing number reference only Denel Vehicle Systems

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 5310-01-571-3977?

NSN 5310-01-571-3977 is a Washer,lock, manufactured by Denel Vehicle Systems, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-571-3977?

NSN 5310-01-571-3977 has 2 manufacturer part numbers on file: R2003090 (Denel Vehicle Systems), R2003090 (General Dynamics Land Systems Canadacorp).

Is NSN 5310-01-571-3977 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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