Wrench, Box5120-01-188-9103

NSN 5120-01-188-9103 · NIIN 011889103

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

Government record, cited

Also searched as 5120-01-188-9103 · 5120011889103 · NIIN 011889103 · 01-188-9103 · FSC 5120 Hand Tools, Nonedged, Nonpowered · 845-4687720 ITEM 34 · 4687720-34

Nearby stock numbers ← 5120-01-188-9102 · 5120-01-188-9104 Extension, Socket Wrench →

Features

Wrench,box — FSC 5120
Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size: 2.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape: HEXAGON SINGLE END INTERNAL
Drive End Shape: SQUARE SINGLE END INTERNAL
Material: STEEL OVERALL
Head Thickness: 1.440 INCHES NOMINAL IN
Offset Height: 1.250 INCHES NOMINAL IN

Identification

NSN: 5120-01-188-9103
NIIN: 011889103
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools

General Description

The Wrench,box, cataloged under National Stock Number 5120-01-188-9103, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5120-01-188-9103
Item Name	Wrench,box
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Status	ACTIVE
Drive Surface Size	0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size	2.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape	HEXAGON SINGLE END INTERNAL
Drive End Shape	SQUARE SINGLE END INTERNAL
Material	STEEL OVERALL
Head Thickness	1.440 INCHES NOMINAL IN
Offset Height	1.250 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
845-4687720 ITEM 34	3/2 Design control — primary reference U.S. Government activity
4687720-34	5/2 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5120-00-001-2642

ADAPTER,TORQUE WRENCH

5120-00-001-2644

ADAPTER,TORQUE WRENCH

5120-00-001-2650

INSERTER,SEAL

5120-00-001-2651

5120-00-001-2651 · Item name not on file

5120-00-001-2652

INSTALLING TOOL,SHAFT

5120-00-001-2653

REMOVER,PREFORMED PACKING

5120-00-001-2654

REMOVER,PREFORMED PACKING

5120-00-001-2655

SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-01-188-9103?

NSN 5120-01-188-9103 is a Wrench,box, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What are the specifications of 5120-01-188-9103?

Key specifications for 5120-01-188-9103: Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 2.375 INCHES NOMINAL SINGLE END IN; Overall Length: 8.590 INCHES NOMINAL IN; Overall Width: 3.500 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-188-9103 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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