Socket, Socket Wrench5120-01-677-5402

NSN 5120-01-677-5402 · NIIN 016775402 · Part number 12-125

Apex Tool Group, Llc · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 03705

Government record, cited

NSN 5120-01-677-5402 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-677-5402. Manufacturer of record part number: 12-125.

Also searched as 5120-01-677-5402 · 5120016775402 · NIIN 016775402 · 01-677-5402 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 03705 · 12-125

Nearby stock numbers ← 5120-01-677-5345 Wrench, Open End and Spanner, Comb · 5120-01-677-5419 Socket, Socket Wrench →

Features

Socket,socket Wrench — FSC 5120
Wrenching End Outside Diameter: 1.125 INCHES NOMINAL IN
Wrenching End Opening Depth: 0.800 INCHES NOMINAL IN
Drive End Outside Diameter: 1.125 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Apex Tool Group, Llc

Identification

NSN: 5120-01-677-5402
NIIN: 016775402
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: 12-125
Manufacturer: Apex Tool Group, Llc

General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-677-5402, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Apex Tool Group, Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5120-01-677-5402
Primary Part Number	12-125
Item Name	Socket,socket Wrench
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Apex Tool Group, Llc
Status	ACTIVE
Wrenching End Outside Diameter	1.125 INCHES NOMINAL IN
Wrenching End Opening Depth	0.800 INCHES NOMINAL IN
Drive End Outside Diameter	1.125 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

Part Number	Manufacturer
12-125 PRIMARY	Apex Tool Group, Llc (USA)

Frequently Asked Questions

What is NSN 5120-01-677-5402?

NSN 5120-01-677-5402 is a Socket,socket Wrench, manufactured by Apex Tool Group, Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-677-5402?

NSN 5120-01-677-5402 has 1 manufacturer part number on file: 12-125 (Apex Tool Group, Llc).

What are the specifications of 12-125?

Key specifications for 12-125: Wrenching End Outside Diameter: 1.125 INCHES NOMINAL IN; Overall Length: 1.455 INCHES NOMINAL IN; Special Features: DRIVE TANG SIZE 1/2 INCHES. FASTENER SIZE 25/32 INCHES. DRIVE TYPE 12 POINT. IN; Wrenching End Opening Depth: 0.800 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-677-5402 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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