PartsTable TECHNICAL DATA SHEET

NSN 5310-01-499-8091Government record, cited

Washer, Flat5310-01-499-8091

NSN 5310-01-499-8091 · NIIN 014998091 · Part number 3400331

Minuteman International, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 16893

Government record, cited

NSN 5310-01-499-8091 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-499-8091. Manufacturer of record part number: 3400331.

Also searched as 5310-01-499-8091 · 5310014998091 · NIIN 014998091 · 01-499-8091 · FSC 5310 Nuts and Washers · CAGE 16893 · 3400331

Nearby stock numbers ← 5310-01-499-8081 Nut, Plain, Round · 5310-01-499-8093 Nut, Plain, Hexagon →

5310-01-499-8091 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Minuteman International, Inc.

Identification

NSN: 5310-01-499-8091
NIIN: 014998091
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 3400331
Manufacturer: Minuteman International, Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-499-8091, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Minuteman International, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Minuteman International, Inc. (CAGE 16893)

Technical Specifications

Parameter	Value
NSN	5310-01-499-8091
Primary Part Number	3400331
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Minuteman International, 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
3400331 PRIMARY	Minuteman International, Inc. (USA)

Reference documents

Reference	Meaning
3400331	3/9 Design control — primary reference Powerboss Inc Div Minuteman Powerboss

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 5310-01-499-8091?

NSN 5310-01-499-8091 is a Washer,flat, manufactured by Minuteman International, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-499-8091?

NSN 5310-01-499-8091 has 1 manufacturer part number on file: 3400331 (Minuteman International, Inc.).

Is NSN 5310-01-499-8091 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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