PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J3225Wrench,open End

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9903 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9903 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9903. Primary manufacturer part number: J3225.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Angle: 60.0 DEGREES NOMINAL
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Size: 0.375 INCHES NOMINAL FIRST END IN
  • Wrenching Surface Size: 0.344 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Material: STEEL OVERALL
  • Style Designator: DOUBLE HEAD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-399-9903, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-9903
Primary Part NumberJ3225
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Large End Head Angle60.0 DEGREES NOMINAL
Small End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size0.375 INCHES NOMINAL FIRST END IN
Wrenching Surface Size0.344 INCHES NOMINAL SECOND END IN
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
MaterialSTEEL OVERALL
Style DesignatorDOUBLE HEAD
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-209-24243225-00 INTERCHANGEABLE
Washer,key
Avox Systems Inc Dba Avox Systems Inc
6210-00-299-5537A114917 INTERCHANGEABLE
Light,panel
Raytheon Company Dba Raytheon Co
2825-00-368-91553225 INTERCHANGEABLE
Wheel,turbine
Northrop Grumman Systems Corporation Div Marine Systems
5945-00-644-5167 INTERCHANGEABLE
Flasher,thermal
5950-00-647-7455 INTERCHANGEABLE
Transformer,power
5935-00-665-7878 INTERCHANGEABLE
Connector,receptacle,electrical
5925-00-837-9417 INTERCHANGEABLE
Circuit Breaker
5330-00-936-5086201501 INTERCHANGEABLE
Gasket
Itw Food Equipment Group Llc Dba Hobart Service
5315-01-060-3747 INTERCHANGEABLE
Key,machine
6515-01-061-64063225 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
Cross-Reference Index
Part NumberManufacturer
STP 3225 Kipper Tool Company Dba Kipper Management Inc (USA)
3225 The Stanley Works Dba Stanley Proto (USA)
1ANR0 W.w. Grainger, Inc. Div Government Sales Division (USA)
J3225 The Stanley Works Pty Ltd (AUS)
J3225 PRIMARY The Stanley Works Dba Stanley Proto (USA)
Related Parts
5310-00-209-2424INTERCHANGEABLE
WASHER,KEY
3225-00
6210-00-299-5537INTERCHANGEABLE
LIGHT,PANEL
A114917
2825-00-368-9155INTERCHANGEABLE
WHEEL,TURBINE
3225
5945-00-644-5167INTERCHANGEABLE
FLASHER,THERMAL
5950-00-647-7455INTERCHANGEABLE
TRANSFORMER,POWER
5935-00-665-7878INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5925-00-837-9417INTERCHANGEABLE
CIRCUIT BREAKER
5330-00-936-5086INTERCHANGEABLE
GASKET
201501
5315-01-060-3747INTERCHANGEABLE
KEY,MACHINE
6515-01-061-6406INTERCHANGEABLE
BAG,OSTOMY
3225
5340-01-155-1743INTERCHANGEABLE
CLAMP
3225
4330-01-371-8197INTERCHANGEABLE
FILTER ELEMENT,FLUID
33225

Frequently Asked Questions

What is NSN 5120-01-399-9903?

NSN 5120-01-399-9903 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-399-9903?

NSN 5120-01-399-9903 has 5 cross-referenced part numbers: STP 3225 (Kipper Tool Company Dba Kipper Management Inc), 3225 (The Stanley Works Dba Stanley Proto), 1ANR0 (W.w. Grainger, Inc. Div Government Sales Division), J3225 (The Stanley Works Pty Ltd), J3225 (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-399-9903?

There are 12 known substitutes for 5120-01-399-9903: 5310-00-209-2424, 6210-00-299-5537, 2825-00-368-9155 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J3225?

Key specifications for J3225: Large End Head Angle: 60.0 DEGREES NOMINAL; Small End Head Angle: 15.0 DEGREES NOMINAL; Wrenching Surface Size: 0.375 INCHES NOMINAL FIRST END IN; Wrenching Surface Size: 0.344 INCHES NOMINAL SECOND END IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9903 still in active supply?

NSN 5120-01-399-9903 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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