PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J3025Wrench,open End

The Stanley Works Dba Stanley Proto · NSN 5120-01-652-0321 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-652-0321 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-652-0321. Primary manufacturer part number: J3025.
Features
  • Wrench,open End — FSC 5120
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.500 INCHES NOMINAL SECOND END IN
  • Style Designator: DOUBLE HEAD
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Wrenching Surface Size: 0.438 INCHES NOMINAL FIRST 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 5120-01-652-0321, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-652-0321
Primary Part NumberJ3025
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Small End Head Angle15.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.500 INCHES NOMINAL SECOND END IN
Style DesignatorDOUBLE HEAD
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Wrenching Surface Size0.438 INCHES NOMINAL FIRST END IN
Large End Head Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-187-7123 INTERCHANGEABLE
Wrench,open End
Cross-Reference Index
Part NumberManufacturer
J3025 The Stanley Works Dba Stanley Proto (USA)
Related Parts
5120-00-187-7123INTERCHANGEABLE
WRENCH,OPEN END

Frequently Asked Questions

What is NSN 5120-01-652-0321?

NSN 5120-01-652-0321 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 5120-01-652-0321?

NSN 5120-01-652-0321 has 1 cross-referenced part number: J3025 (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-652-0321?

There is 1 known substitute for 5120-01-652-0321: 5120-00-187-7123. Verify interchangeability with system specifications before substitution.

What are the specifications of J3025?

Key specifications for J3025: Small End Head Angle: 15.0 DEGREES NOMINAL; Surface Treatment: CHROMIUM OVERALL; Overall Length: 6.375 INCHES NOMINAL IN; End Item Identification: SATS. 10 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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