PartsTable TECHNICAL DATA SHEET
NSN 5120-01-486-2103Government record, cited

Wrench, Open End Box5120-01-486-2103

NSN 5120-01-486-2103 · NIIN 014862103 · Part number J3754T
The Stanley Works Dba Stanley Proto · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 1CV05
Government record, cited
NSN 5120-01-486-2103 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-486-2103. Manufacturer of record part number: J3754T.
Also searched as  5120-01-486-2103 · 5120014862103 · NIIN 014862103 · 01-486-2103 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 1CV05 · J3754T · 5F356 · 3754T · B107.100 · B107.40
Nearby stock numbers  ·
Features
  • Wrench,open End Box — FSC 5120
  • Wrenching Surface Size: 0.562 INCHES NOMINAL BOTH ENDS IN
  • Style Designator: STRAIGHT JAW
  • Specification/standard Data: 05047-ASME B107.100/B107.40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS AND C STYLE
  • Wrenching Surface Shape: HEXAGON FIRST END INTERNAL
  • Wrenching Surface Shape: 6 POINT SECOND END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
Identification
  • NSN: 5120-01-486-2103
  • NIIN: 014862103
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: J3754T
  • Manufacturer: The Stanley Works Dba Stanley Proto
General Description

The Wrench,open End Box, cataloged under National Stock Number 5120-01-486-2103, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-486-2103
Primary Part NumberJ3754T
Item NameWrench,open End Box
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Wrenching Surface Size0.562 INCHES NOMINAL BOTH ENDS IN
Style DesignatorSTRAIGHT JAW
Specification/standard Data05047-ASME B107.100/B107.40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS AND C STYLE
Wrenching Surface ShapeHEXAGON FIRST END INTERNAL
Wrenching Surface Shape6 POINT SECOND END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5F356 W.w. Grainger, Inc. Div Government Sales Division (USA)
J3754T PRIMARY The Stanley Works Dba Stanley Proto (USA)
Reference documents
ReferenceMeaning
3754T 5/9 Secondary reference
The Stanley Works Dba Stanley Proto
B107.100 3/1 Design control — primary reference
The American Society of Mechanical Engineers
B107.40 5/1 Secondary reference
The American Society of Mechanical Engineers
B107.40 TY1CL2STC 5/1 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 5120-01-486-2103?

NSN 5120-01-486-2103 is a Wrench,open End Box, 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 5120-01-486-2103?

NSN 5120-01-486-2103 has 2 manufacturer part numbers on file: 5F356 (W.w. Grainger, Inc. Div Government Sales Division), J3754T (The Stanley Works Dba Stanley Proto).

What are the specifications of J3754T?

Key specifications for J3754T: Wrenching Surface Size: 0.562 INCHES NOMINAL BOTH ENDS IN; Style Designator: STRAIGHT JAW; Overall Length: 16.00 INCHES MINIMUM IN; Specification/standard Data: 05047-ASME B107.100/B107.40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-486-2103 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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