PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J3025BWrench,open End

The Stanley Works Dba Stanley Proto · NSN 5120-01-616-3447 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-616-3447 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-616-3447. Primary manufacturer part number: J3025B.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Thickness: 0.234 INCHES NOMINAL IN
  • Small End Head Thickness: 0.234 INCHES NOMINAL IN
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Wrenching Surface Size: 0.438 INCHES NOMINAL FIRST END IN
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Size: 0.500 INCHES NOMINAL SECOND END IN
  • Large End Head Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-616-3447, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-616-3447
Primary Part NumberJ3025B
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Large End Head Thickness0.234 INCHES NOMINAL IN
Small End Head Thickness0.234 INCHES NOMINAL IN
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Wrenching Surface Size0.438 INCHES NOMINAL FIRST END IN
Surface TreatmentOXIDE OVERALL
Wrenching Surface Size0.500 INCHES NOMINAL SECOND END IN
Large End Head Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Style DesignatorDOUBLE HEAD
Small End Head Angle15.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-703-07091128B INTERCHANGEABLE
Terminal,stud
Goe Engineering Co Inc
4310-00-837-2263 INTERCHANGEABLE
Plate,shaft
Cross-Reference Index
Part NumberManufacturer
1ANL4 W.w. Grainger, Inc. Div Government Sales Division (USA)
J3025B PRIMARY The Stanley Works Dba Stanley Proto (USA)
3025B The Stanley Works Dba Stanley Proto (USA)
Related Parts
5940-00-703-0709INTERCHANGEABLE
TERMINAL,STUD
1128B
4310-00-837-2263INTERCHANGEABLE
PLATE,SHAFT

Frequently Asked Questions

What is NSN 5120-01-616-3447?

NSN 5120-01-616-3447 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-616-3447?

NSN 5120-01-616-3447 has 3 cross-referenced part numbers: 1ANL4 (W.w. Grainger, Inc. Div Government Sales Division), J3025B (The Stanley Works Dba Stanley Proto), 3025B (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-616-3447?

There are 2 known substitutes for 5120-01-616-3447: 5940-00-703-0709, 4310-00-837-2263. Verify interchangeability with system specifications before substitution.

What are the specifications of J3025B?

Key specifications for J3025B: Large End Head Thickness: 0.234 INCHES NOMINAL IN; Overall Length: 6.438 INCHES NOMINAL IN; Small End Head Thickness: 0.234 INCHES NOMINAL IN; Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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