Wrench, Open End5120-01-677-8737

NSN 5120-01-677-8737 · NIIN 016778737 · Part number J1222ES

The Stanley Works Dba Stanley Proto · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 1CV05

Government record, cited

NSN 5120-01-677-8737 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-677-8737. Manufacturer of record part number: J1222ES.

Also searched as 5120-01-677-8737 · 5120016778737 · NIIN 016778737 · 01-677-8737 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 1CV05 · J1222ES

Nearby stock numbers ← 5120-01-677-8714 Installation Tool, Cable Tie · 5120-01-677-8740 Adapter, Torque Wrench →

Features

Wrench,open End — FSC 5120
Large End Head Thickness: 0.453 INCHES NOMINAL IN
Small End Head Thickness: 0.328 INCHES NOMINAL IN
Large End Outside Diameter: 1.484 INCHES NOMINAL IN
Small End Outside Diameter: 1.046 INCHES NOMINAL IN
Surface Treatment: CHROMIUM OVERALL
Material: STEEL OVERALL
1 manufacturer part number on file

Identification

NSN: 5120-01-677-8737
NIIN: 016778737
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: J1222ES
Manufacturer: The Stanley Works Dba Stanley Proto

General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-677-8737, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 6 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	5120-01-677-8737
Primary Part Number	J1222ES
Item Name	Wrench,open End
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	The Stanley Works Dba Stanley Proto
Status	ACTIVE
Large End Head Thickness	0.453 INCHES NOMINAL IN
Small End Head Thickness	0.328 INCHES NOMINAL IN
Large End Outside Diameter	1.484 INCHES NOMINAL IN
Small End Outside Diameter	1.046 INCHES NOMINAL IN
Surface Treatment	CHROMIUM 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

Part Number	Manufacturer
J1222ES PRIMARY	The Stanley Works Dba Stanley Proto (USA)

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 5120-01-677-8737?

NSN 5120-01-677-8737 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-677-8737?

NSN 5120-01-677-8737 has 1 manufacturer part number on file: J1222ES (The Stanley Works Dba Stanley Proto).

What are the specifications of J1222ES?

Key specifications for J1222ES: Large End Head Thickness: 0.453 INCHES NOMINAL IN; Small End Head Thickness: 0.328 INCHES NOMINAL IN; Large End Outside Diameter: 1.484 INCHES NOMINAL IN; Small End Outside Diameter: 1.046 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-677-8737 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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