Socket, Socket Wrench5120-01-667-6331

NSN 5120-01-667-6331 · NIIN 016676331

FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools

Government record, cited

Also searched as 5120-01-667-6331 · 5120016676331 · NIIN 016676331 · 01-667-6331 · FSC 5120 Hand Tools, Nonedged, Nonpowered

Nearby stock numbers ← 5120-01-667-6324 Socket, Socket Wrench · 5120-01-667-6334 Socket, Socket Wrench →

Features

Socket,socket Wrench — FSC 5120
Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size: 0.813 INCHES NOMINAL SINGLE END IN
Wrenching End Outside Diameter: 1.295 INCHES NOMINAL IN
Style Designator: INTERNAL-INTERNAL
Features Provided: MANUAL TOOL
Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Drive End Shape: SQUARE SINGLE END INTERNAL

Identification

NSN: 5120-01-667-6331
NIIN: 016676331
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools

General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-667-6331, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5120-01-667-6331
Item Name	Socket,socket Wrench
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Status	ACTIVE
Drive Surface Size	0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size	0.813 INCHES NOMINAL SINGLE END IN
Wrenching End Outside Diameter	1.295 INCHES NOMINAL IN
Style Designator	INTERNAL-INTERNAL
Features Provided	MANUAL TOOL
Wrenching Surface Shape	12 POINT SINGLE END INTERNAL
Drive End Shape	SQUARE SINGLE END INTERNAL
Surface Treatment	CHROMIUM OVERALL
Drive End Outside Diameter	1.295 INCHES NOMINAL IN
Material	STEEL OVERALL

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
13-126	3/9 Design control — primary reference Apex Tool Group, Llc Dba Nicholson

Frequently Asked Questions

What is NSN 5120-01-667-6331?

NSN 5120-01-667-6331 is a Socket,socket Wrench, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What are the specifications of 5120-01-667-6331?

Key specifications for 5120-01-667-6331: Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.813 INCHES NOMINAL SINGLE END IN; Wrenching End Outside Diameter: 1.295 INCHES NOMINAL IN; Style Designator: INTERNAL-INTERNAL. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-667-6331 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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