PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J1236MWrench,box and Open End,combinat

The Stanley Works Dba Stanley Proto · NSN 5120-01-652-0523 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-652-0523 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-652-0523. Primary manufacturer part number: J1236M.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Style Designator: OFFSET
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Wrenching Surface Size: 36.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-652-0523, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-652-0523
Primary Part NumberJ1236M
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Surface TreatmentCHROMIUM OVERALL
Head Angle15.0 DEGREES NOMINAL
Style DesignatorOFFSET
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Wrenching Surface Size36.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching End Offset Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-01-399-8827 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-537-7340J1236M INTERCHANGEABLE
Wrench,box and Open End,combinat
Proto Tool Company Inc
Cross-Reference Index
Part NumberManufacturer
J1236M The Stanley Works Dba Stanley Proto (USA)
Related Parts
5120-01-399-8827INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-537-7340INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
J1236M

Frequently Asked Questions

What is NSN 5120-01-652-0523?

NSN 5120-01-652-0523 is a Wrench,box and Open End,combinat, 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 5120-01-652-0523?

NSN 5120-01-652-0523 has 1 cross-referenced part number: J1236M (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-652-0523?

There are 2 known substitutes for 5120-01-652-0523: 5120-01-399-8827, 5120-01-537-7340. Verify interchangeability with system specifications before substitution.

What are the specifications of J1236M?

Key specifications for J1236M: End Item Identification: SATS; Overall Length: 19.375 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL; Head Angle: 15.0 DEGREES NOMINAL. 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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