Washer, Flat5310-01-666-7406

NSN 5310-01-666-7406 · NIIN 016667406 · Part number 91525A334

Birdon America Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 6KT72

Government record, cited

NSN 5310-01-666-7406 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-666-7406. Manufacturer of record part number: 91525A334.

Also searched as 5310-01-666-7406 · 5310016667406 · NIIN 016667406 · 01-666-7406 · FSC 5310 Nuts and Washers · CAGE 6KT72 · 91525A334

Nearby stock numbers ← 5310-01-666-7401 Washer, Flat · 5310-01-666-7549 Washer, Flat →

5310-01-666-7406 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 1.00 INCHES NOMINAL IN
Peripheral Shape Style: ROUND
Width: 0.09 INCHES NOMINAL IN
Hole Diameter: 0.53 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Birdon America Inc

Identification

NSN: 5310-01-666-7406
NIIN: 016667406
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 91525A334
Manufacturer: Birdon America Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-666-7406, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Birdon America Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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	5310-01-666-7406
Primary Part Number	91525A334
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Birdon America Inc
Status	ACTIVE
Overall Diameter	1.00 INCHES NOMINAL IN
Peripheral Shape Style	ROUND
Width	0.09 INCHES NOMINAL IN
Hole Diameter	0.53 INCHES NOMINAL IN

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
91525A334 PRIMARY	Birdon America 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 5310-01-666-7406?

NSN 5310-01-666-7406 is a Washer,flat, manufactured by Birdon America Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-666-7406?

NSN 5310-01-666-7406 has 1 manufacturer part number on file: 91525A334 (Birdon America Inc).

What are the specifications of 91525A334?

Key specifications for 91525A334: Overall Diameter: 1.00 INCHES NOMINAL IN; Special Features: WASHER 0.50; Peripheral Shape Style: ROUND; Width: 0.09 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-666-7406 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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