Wrench, Open End5120-00-203-9783

NSN 5120-00-203-9783 · NIIN 002039783

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

Government record, cited

Also searched as 5120-00-203-9783 · 5120002039783 · NIIN 002039783 · 00-203-9783 · FSC 5120 Hand Tools, Nonedged, Nonpowered · GGG-W-636 TY7 · GGG-W-636

Nearby stock numbers ← 5120-00-203-9779 · 5120-00-204-0531 →

Features

Wrench,open End — FSC 5120
Large End Head Angle: 22.5 DEGREES NOMINAL
Large End Head Thickness: 0.344 INCHES NOMINAL IN
Small End Head Thickness: 0.344 INCHES NOMINAL IN
Small End Head Angle: 22.5 DEGREES NOMINAL
Wrenching Surface Size: 0.375 INCHES NOMINAL SECOND END IN
Wrenching Surface Size: 0.312 INCHES NOMINAL FIRST END IN
Style Designator: DOUBLE HEAD

Identification

NSN: 5120-00-203-9783
NIIN: 002039783
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools

General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-203-9783, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5120-00-203-9783
Item Name	Wrench,open End
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Status	ACTIVE
Large End Head Angle	22.5 DEGREES NOMINAL
Large End Head Thickness	0.344 INCHES NOMINAL IN
Small End Head Thickness	0.344 INCHES NOMINAL IN
Small End Head Angle	22.5 DEGREES NOMINAL
Wrenching Surface Size	0.375 INCHES NOMINAL SECOND END IN
Wrenching Surface Size	0.312 INCHES NOMINAL FIRST END IN
Style Designator	DOUBLE HEAD
Nondefinitive Spec/std Data	7 TYPE
Wrenching Surface Shape	SQUARE BOTH ENDS INTERNAL
Surface Treatment	CHROMIUM AND OXIDE OVERALL
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
GGG-W-636 TY7	5/1 Secondary reference U.S. Government activity
GGG-W-636	4/1 Identification 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 5120-00-203-9783?

NSN 5120-00-203-9783 is a Wrench,open End, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What are the specifications of 5120-00-203-9783?

Key specifications for 5120-00-203-9783: Large End Head Angle: 22.5 DEGREES NOMINAL; Large End Head Thickness: 0.344 INCHES NOMINAL IN; Small End Head Thickness: 0.344 INCHES NOMINAL IN; Small End Head Angle: 22.5 DEGREES NOMINAL. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5120-00-203-9783 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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