Washer, Finishing5310-01-685-4291

NSN 5310-01-685-4291 · NIIN 016854291

FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5310-01-685-4291 · 5310016854291 · NIIN 016854291 · 01-685-4291 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-685-4280 Washer, Flat · 5310-01-685-4293 Washer, Flat →

5310-01-685-4291 — Nuts and Washers

Features

Washer,finishing — FSC 5310
Surface Treatment Document and Classification: AMS2460, TYPE1, CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Style Designator: FINISHING
Material Document and Classification: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.403 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
Material Thickness: 0.016 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Specification/standard Data: 80205-NAS390 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface Treatment: CHROMIUM OVERALL

Identification

NSN: 5310-01-685-4291
NIIN: 016854291
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,finishing, cataloged under National Stock Number 5310-01-685-4291, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-685-4291
Item Name	Washer,finishing
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Treatment Document and Classification	AMS2460, TYPE1, CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Style Designator	FINISHING
Material Document and Classification	QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter	0.403 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
Material Thickness	0.016 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Specification/standard Data	80205-NAS390 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface Treatment	CHROMIUM OVERALL
Material	COPPER ALLOY OVERALL
Hole Diameter	0.180 INCHES MINIMUM AND 0.210 INCHES MAXIMUM 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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
NAS390B8P	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 5310-01-685-4291?

NSN 5310-01-685-4291 is a Washer,finishing, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-685-4291?

Key specifications for 5310-01-685-4291: Overall Height: 0.083 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2460, TYPE1, CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FINISHING; Material Document and Classification: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-685-4291 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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