Washer, Key5310-01-298-7341

NSN 5310-01-298-7341 · NIIN 012987341

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

Government record, cited

Also searched as 5310-01-298-7341 · 5310012987341 · NIIN 012987341 · 01-298-7341 · FSC 5310 Nuts and Washers · 4F53869-101A · 4F53869-101A · 4F53869-101A

Nearby stock numbers ← 5310-01-298-7340 Nut, Plain, Hexagon · 5310-01-298-7342 Washer, Flat →

5310-01-298-7341 — Nuts and Washers

Features

Washer,key — FSC 5310
External Prebent Key Length: 0.180 INCHES NOMINAL IN
Overall Distance Including Keys: 1.200 INCHES NOMINAL IN
Material Document and Classification: MIL-S-5059,1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Thickness: 0.020 INCHES NOMINAL IN
External Straight Key Width: 0.700 INCHES NOMINAL IN
Distance From Centerline to End of Key: 0.700 INCHES NOMINAL IN
Material: STEEL COMP 301 OVERALL

Identification

NSN: 5310-01-298-7341
NIIN: 012987341
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,key, cataloged under National Stock Number 5310-01-298-7341, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-298-7341
Item Name	Washer,key
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
External Prebent Key Length	0.180 INCHES NOMINAL IN
Overall Distance Including Keys	1.200 INCHES NOMINAL IN
Material Document and Classification	MIL-S-5059,1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Thickness	0.020 INCHES NOMINAL IN
External Straight Key Width	0.700 INCHES NOMINAL IN
Distance From Centerline to End of Key	0.700 INCHES NOMINAL IN
Material	STEEL COMP 301 OVERALL
Hole Diameter	0.546 INCHES MINIMUM AND 0.555 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
4F53869-101A	3/2 Design control — primary reference U.S. Government activity
4F53869-101A	5/9 Secondary reference Beta Corp
4F53869-101A	C/1 Advisory reference — outside the item-of-supply concept A and M Aerospace, Inc.

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 5310-01-298-7341?

NSN 5310-01-298-7341 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-298-7341?

Key specifications for 5310-01-298-7341: External Prebent Key Length: 0.180 INCHES NOMINAL IN; Overall Distance Including Keys: 1.200 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5059,1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 1.260 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-298-7341 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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