PartsTable TECHNICAL DATA SHEET

NSN 5310-01-145-2091Government record, cited

Washer, Lock5310-01-145-2091

NSN 5310-01-145-2091 · NIIN 011452091 · Part number 304144

Brp Us Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1UVT5

Government record, cited

NSN 5310-01-145-2091 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-145-2091. Manufacturer of record part number: 304144.

Also searched as 5310-01-145-2091 · 5310011452091 · NIIN 011452091 · 01-145-2091 · FSC 5310 Nuts and Washers · CAGE 1UVT5 · 304144

Nearby stock numbers ← 5310-01-145-2090 Washer, Lock · 5310-01-145-2127 Nut, Plain, Hexagon →

5310-01-145-2091 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-145-2091
NIIN: 011452091
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 304144
Manufacturer: Brp Us Inc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-145-2091, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Lewmar Ltd (CAGE K3488); Brp Us Inc (CAGE 1UVT5)

Technical Specifications

Parameter	Value
NSN	5310-01-145-2091
Primary Part Number	304144
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Brp Us 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)

Cross-Reference Index

Part Number	Manufacturer
304144	Lewmar Ltd (GBR)
304144 PRIMARY	Brp Us Inc (USA)

Reference documents

Reference	Meaning
304144	5/9 Secondary reference U.S. Government activity
304144	5/9 Secondary reference Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors

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 5310-01-145-2091?

NSN 5310-01-145-2091 is a Washer,lock, manufactured by Brp Us Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-145-2091?

NSN 5310-01-145-2091 has 2 manufacturer part numbers on file: 304144 (Lewmar Ltd), 304144 (Brp Us Inc).

Is NSN 5310-01-145-2091 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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