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NSN 5310-01-384-2201Government record, cited

Washer, Key5310-01-384-2201

NSN 5310-01-384-2201 · NIIN 013842201

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

Government record, cited

Also searched as 5310-01-384-2201 · 5310013842201 · NIIN 013842201 · 01-384-2201 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-384-2176 Washer, Key · 5310-01-384-2203 Nut, Plain, Hexagon →

5310-01-384-2201 — Nuts and Washers

Features

Washer,key — FSC 5310
Surface Treatment Document and Classification: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL
Internal Prebent Key Width: 0.270 INCHES NOMINAL IN
Overall Distance Including Keys: 2.075 INCHES NOMINAL IN
Style Designator: KEY
Outside Diameter: 1.825 INCHES NOMINAL IN
Material Thickness: 0.031 INCHES NOMINAL IN
External Straight Key Width: 0.210 INCHES NOMINAL IN

Identification

NSN: 5310-01-384-2201
NIIN: 013842201
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,key, cataloged under National Stock Number 5310-01-384-2201, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-384-2201
Item Name	Washer,key
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Surface Treatment Document and Classification	QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL
Internal Prebent Key Width	0.270 INCHES NOMINAL IN
Overall Distance Including Keys	2.075 INCHES NOMINAL IN
Style Designator	KEY
Outside Diameter	1.825 INCHES NOMINAL IN
Material Thickness	0.031 INCHES NOMINAL IN
External Straight Key Width	0.210 INCHES NOMINAL IN
External Key Quantity	16
Internal Prebent Key Length	0.059 INCHES NOMINAL IN
Surface Treatment	PASSIVATE OVERALL
Material	STEEL COMP 301 AND STEEL COMP 302 AND STEEL COMP 304 AND STEEL COMP 316 OVERALL
Hole Diameter	1.500 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

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

Reference documents

Reference	Meaning
A84909-1	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 5310-01-384-2201?

NSN 5310-01-384-2201 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-384-2201?

Key specifications for 5310-01-384-2201: Surface Treatment Document and Classification: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL; Internal Prebent Key Width: 0.270 INCHES NOMINAL IN; Overall Distance Including Keys: 2.075 INCHES NOMINAL IN; Style Designator: KEY. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-384-2201 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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