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NSN 5310-01-166-5308Government record, cited

Washer, Flat5310-01-166-5308

NSN 5310-01-166-5308 · NIIN 011665308 · Part number 21512052-191

Bae Systems Hagglunds Aktiebolag · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE AC90N

Government record, cited

NSN 5310-01-166-5308 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-166-5308. Manufacturer of record part number: 21512052-191.

Also searched as 5310-01-166-5308 · 5310011665308 · NIIN 011665308 · 01-166-5308 · FSC 5310 Nuts and Washers · CAGE AC90N · 21512052-191

Nearby stock numbers ← 5310-01-166-5307 Washer, Flat · 5310-01-166-5309 Washer, Flat →

5310-01-166-5308 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Bae Systems Hagglunds Aktiebolag

Identification

NSN: 5310-01-166-5308
NIIN: 011665308
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 21512052-191
Manufacturer: Bae Systems Hagglunds Aktiebolag

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-166-5308, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Hagglunds Aktiebolag. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Bae Systems Hagglunds Aktiebolag (CAGE AC90N)

Technical Specifications

Parameter	Value
NSN	5310-01-166-5308
Primary Part Number	21512052-191
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Bae Systems Hagglunds Aktiebolag
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
21512052-191 PRIMARY	Bae Systems Hagglunds Aktiebolag (SWE)

Reference documents

Reference	Meaning
21512052-191	3/9 Design control — primary reference Bae Systems Hagglunds Ab

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 5310-01-166-5308?

NSN 5310-01-166-5308 is a Washer,flat, manufactured by Bae Systems Hagglunds Aktiebolag, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-166-5308?

NSN 5310-01-166-5308 has 1 manufacturer part number on file: 21512052-191 (Bae Systems Hagglunds Aktiebolag).

Is NSN 5310-01-166-5308 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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