Washer, Key5310-01-341-7520

NSN 5310-01-341-7520 · NIIN 013417520

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

Government record, cited

Also searched as 5310-01-341-7520 · 5310013417520 · NIIN 013417520 · 01-341-7520 · FSC 5310 Nuts and Washers · 999-51001-0000 · FF-B-171 · 999-51001-0000 · 999-51001-0000

Nearby stock numbers ← 5310-01-341-7519 Nut, Self-Locking, Extended Washer · 5310-01-341-7521 →

5310-01-341-7520 — Nuts and Washers

Features

Washer,key — FSC 5310
Internal Prebent Key Width: 0.110 INCHES NOMINAL IN
Style Designator: KEY
Outside Diameter: 0.718 INCHES NOMINAL IN
Material Thickness: 0.042 INCHES NOMINAL IN
External Key Quantity: 6
Internal Prebent Key Length: 0.062 INCHES NOMINAL IN
External Prebent Key Width: 0.108 INCHES NOMINAL IN

Identification

NSN: 5310-01-341-7520
NIIN: 013417520
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,key, cataloged under National Stock Number 5310-01-341-7520, 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9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5310-01-341-7520
Item Name	Washer,key
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Internal Prebent Key Width	0.110 INCHES NOMINAL IN
Style Designator	KEY
Outside Diameter	0.718 INCHES NOMINAL IN
Material Thickness	0.042 INCHES NOMINAL IN
External Key Quantity	6
Internal Prebent Key Length	0.062 INCHES NOMINAL IN
External Prebent Key Width	0.108 INCHES NOMINAL IN
Material	STEEL COMP 1115 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OVERALL
Hole Diameter	0.482 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
999-51001-0000	5/1 Secondary reference U.S. Government activity
FF-B-171	4/1 Identification reference U.S. Government activity
999-51001-0000	5/1 Secondary reference Raytheon Company
999-51001-0000	2/2 Government specification standardization 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 5310-01-341-7520?

NSN 5310-01-341-7520 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-341-7520?

Key specifications for 5310-01-341-7520: Internal Prebent Key Width: 0.110 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 0.718 INCHES NOMINAL IN; Material Thickness: 0.042 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-341-7520 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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