Washer, Flat5310-01-676-5138

NSN 5310-01-676-5138 · NIIN 016765138 · Part number 1003991-P6

Brierton Engineering Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0AT39

Government record, cited

NSN 5310-01-676-5138 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-676-5138. Manufacturer of record part number: 1003991-P6.

Also searched as 5310-01-676-5138 · 5310016765138 · NIIN 016765138 · 01-676-5138 · FSC 5310 Nuts and Washers · CAGE 0AT39 · 1003991-P6

Nearby stock numbers ← 5310-01-676-5083 Nut, Self-Locking, Knurled · 5310-01-676-5139 Nut, Plain, Hexagon →

5310-01-676-5138 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-676-5138
NIIN: 016765138
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1003991-P6
Manufacturer: Brierton Engineering Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-676-5138, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Brierton Engineering Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-676-5138
Primary Part Number	1003991-P6
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Brierton Engineering 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
1003991-P6 PRIMARY	Brierton Engineering Inc. (USA)

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 5310-01-676-5138?

NSN 5310-01-676-5138 is a Washer,flat, manufactured by Brierton Engineering Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-676-5138?

NSN 5310-01-676-5138 has 1 manufacturer part number on file: 1003991-P6 (Brierton Engineering Inc.).

What are the specifications of 1003991-P6?

Key specifications for 1003991-P6: End Item Identification: F-22A RAPTOR A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-676-5138 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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