Wrench, Box5120-01-654-1786

NSN 5120-01-654-1786 · NIIN 016541786

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

Government record, cited

Also searched as 5120-01-654-1786 · 5120016541786 · NIIN 016541786 · 01-654-1786 · FSC 5120 Hand Tools, Nonedged, Nonpowered

Nearby stock numbers ← 5120-01-654-1748 Wrench, Box and Open End, Combinat · 5120-01-654-1787 Wrench, Box and Open End, Combinat →

Features

Wrench,box — FSC 5120
Large End Head Thickness: 0.344 INCHES NOMINAL IN
Small End Head Thickness: 0.359 INCHES NOMINAL IN
Large End Outside Diameter: 0.844 INCHES NOMINAL IN
Wrenching Surface Size: 0.5000 INCHES NOMINAL FIRST END IN
Wrenching Surface Size: 0.5625 INCHES NOMINAL SECOND END IN
Small End Outside Diameter: 0.734 INCHES NOMINAL IN
Wrenching End Offset Angle: 45.0 DEGREES NOMINAL

Identification

NSN: 5120-01-654-1786
NIIN: 016541786
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools

General Description

The Wrench,box, cataloged under National Stock Number 5120-01-654-1786, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5120-01-654-1786
Item Name	Wrench,box
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Status	ACTIVE
Large End Head Thickness	0.344 INCHES NOMINAL IN
Small End Head Thickness	0.359 INCHES NOMINAL IN
Large End Outside Diameter	0.844 INCHES NOMINAL IN
Wrenching Surface Size	0.5000 INCHES NOMINAL FIRST END IN
Wrenching Surface Size	0.5625 INCHES NOMINAL SECOND END IN
Small End Outside Diameter	0.734 INCHES NOMINAL IN
Wrenching End Offset Angle	45.0 DEGREES NOMINAL
Wrenching Surface Shape	12 POINT BOTH ENDS INTERNAL
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
27-367	3/9 Design control — primary reference Apex Tool Group, Llc Dba Nicholson

Frequently Asked Questions

What is NSN 5120-01-654-1786?

NSN 5120-01-654-1786 is a Wrench,box, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What are the specifications of 5120-01-654-1786?

Key specifications for 5120-01-654-1786: Large End Head Thickness: 0.344 INCHES NOMINAL IN; Small End Head Thickness: 0.359 INCHES NOMINAL IN; Large End Outside Diameter: 0.844 INCHES NOMINAL IN; Wrenching Surface Size: 0.5000 INCHES NOMINAL FIRST END IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-654-1786 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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