PartsTable TECHNICAL DATA SHEET

NSN 5310-01-256-4491Government record, cited

Washer, Flat5310-01-256-4491

NSN 5310-01-256-4491 · NIIN 012564491 · Part number 5593623

Am General Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 34623

Government record, cited

NSN 5310-01-256-4491 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-256-4491. Manufacturer of record part number: 5593623.

Also searched as 5310-01-256-4491 · 5310012564491 · NIIN 012564491 · 01-256-4491 · FSC 5310 Nuts and Washers · CAGE 34623 · 5593623 · 5310PL0790671 · 5610-140-62

Nearby stock numbers ← 5310-01-256-4490 · 5310-01-256-4492 →

5310-01-256-4491 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-256-4491
NIIN: 012564491
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 5593623
Manufacturer: Am General Llc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-256-4491, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Am General Llc (CAGE 34623)

Technical Specifications

Parameter	Value
NSN	5310-01-256-4491
Primary Part Number	5593623
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Am General 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
5593623	Am General Llc (USA)

Reference documents

Reference	Meaning
5310PL0790671	6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index
5610-140-62	3/2 Design control — primary reference U.S. Government activity

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 5310-01-256-4491?

NSN 5310-01-256-4491 is a Washer,flat, manufactured by Am General Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-256-4491?

NSN 5310-01-256-4491 has 1 manufacturer part number on file: 5593623 (Am General Llc).

Is NSN 5310-01-256-4491 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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