PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST-1225Socket,socket Wrench

Williams J H Industrial Products Inc · NSN 5120-01-367-0039 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-367-0039 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-367-0039. Primary manufacturer part number: ST-1225.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-367-0039, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Williams J H Industrial Products Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-367-0039
Primary Part NumberST-1225
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWilliams J H Industrial Products Inc
StatusACTIVE
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size0.781 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-189-7915 INTERCHANGEABLE
Socket,socket Wrench
5307-00-271-6841 INTERCHANGEABLE
Stud,stepped
4910-01-097-6948MA326-21113 INTERCHANGEABLE
Mandrel,seal,thermo
Am General Llc
Cross-Reference Index
Part NumberManufacturer
ST-1225 PRIMARY Williams J H Industrial Products Inc (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-189-7915INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5307-00-271-6841INTERCHANGEABLE
STUD,STEPPED
4910-01-097-6948INTERCHANGEABLE
MANDREL,SEAL,THERMO
MA326-21113

Frequently Asked Questions

What is NSN 5120-01-367-0039?

NSN 5120-01-367-0039 is a Socket,socket Wrench, manufactured by Williams J H Industrial Products Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-367-0039?

NSN 5120-01-367-0039 has 3 cross-referenced part numbers: ST-1225 (Williams J H Industrial Products Inc), B107.1 TY1CL1 (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-367-0039?

There are 3 known substitutes for 5120-01-367-0039: 5120-00-189-7915, 5307-00-271-6841, 4910-01-097-6948. Verify interchangeability with system specifications before substitution.

What are the specifications of ST-1225?

Key specifications for ST-1225: Style Designator: INTERNAL-INTERNAL; Features Provided: MANUAL TOOL; Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SINGLE END 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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