PartsTable TECHNICAL DATA SHEET

NSN 5310-01-666-4676Government record, cited

Washer, Flat5310-01-666-4676

NSN 5310-01-666-4676 · NIIN 016664676 · Part number 12601441

Oshkosh Defense Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 75Q65

Government record, cited

NSN 5310-01-666-4676 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-666-4676. Manufacturer of record part number: 12601441.

Also searched as 5310-01-666-4676 · 5310016664676 · NIIN 016664676 · 01-666-4676 · FSC 5310 Nuts and Washers · CAGE 75Q65 · 12601441

Nearby stock numbers ← 5310-01-666-4668 Nut Assembly, Retainer Plate · 5310-01-666-4707 Nut, Plain, Cone Seat, Hexagon →

5310-01-666-4676 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 5310-01-666-4676
NIIN: 016664676
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 12601441
Manufacturer: Oshkosh Defense Llc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-666-4676, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	5310-01-666-4676
Primary Part Number	12601441
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Oshkosh Defense Llc
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
12601441 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
12601441	C/1 Advisory reference — outside the item-of-supply concept U S Army Tank Automotive Command Amsta-Im-Mm

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 5310-01-666-4676?

NSN 5310-01-666-4676 is a Washer,flat, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-666-4676?

NSN 5310-01-666-4676 has 1 manufacturer part number on file: 12601441 (Oshkosh Defense Llc).

Is NSN 5310-01-666-4676 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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