Washer, Key5310-01-232-7975

NSN 5310-01-232-7975 · NIIN 012327975

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

Government record, cited

Also searched as 5310-01-232-7975 · 5310012327975 · NIIN 012327975 · 01-232-7975 · FSC 5310 Nuts and Washers

Nearby stock numbers ← 5310-01-232-7974 · 5310-01-232-7976 Washer, Lock →

5310-01-232-7975 — Nuts and Washers

Features

Washer,key — FSC 5310
Overall Distance Including Keys: 2.562 INCHES NOMINAL IN
Criticality Code Justification: ZZZY
Style Designator: RECTANGULAR KEY
Material Thickness: 0.031 INCHES NOMINAL IN
External Prebent Key Width: 1.750 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING OVERALL
Hole Diameter: 0.938 INCHES NOMINAL IN

Identification

NSN: 5310-01-232-7975
NIIN: 012327975
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives

General Description

The Washer,key, cataloged under National Stock Number 5310-01-232-7975, 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8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5310-01-232-7975
Item Name	Washer,key
FSC / FSG	5310 / 53 — Nuts and Washers
Status	ACTIVE
Overall Distance Including Keys	2.562 INCHES NOMINAL IN
Criticality Code Justification	ZZZY
Style Designator	RECTANGULAR KEY
Material Thickness	0.031 INCHES NOMINAL IN
External Prebent Key Width	1.750 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING OVERALL
Hole Diameter	0.938 INCHES NOMINAL IN
Reference Number Differentiating Characteristics	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	C

Cross-Reference Index

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

Reference documents

Reference	Meaning
820-5347936 LINE-7	3/1 Design control — primary reference Naval Sea Systems Command

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 5310-01-232-7975?

NSN 5310-01-232-7975 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.

What are the specifications of 5310-01-232-7975?

Key specifications for 5310-01-232-7975: Overall Distance Including Keys: 2.562 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Style Designator: RECTANGULAR KEY; Material Thickness: 0.031 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-232-7975 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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