PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST-1230Socket,socket Wrench

Williams J H Industrial Products Inc · NSN 5120-01-367-0042 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-367-0042 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-367-0042. Primary manufacturer part number: ST-1230.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-367-0042, 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 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
NSN5120-01-367-0042
Primary Part NumberST-1230
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWilliams J H Industrial Products Inc
StatusACTIVE
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Size0.938 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5220-00-131-8902ST1230 INTERCHANGEABLE
Gage Governor Relay
Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
5120-00-189-7935 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
ST-1230 PRIMARY Williams J H Industrial Products Inc (USA)
Related Parts
5220-00-131-8902INTERCHANGEABLE
GAGE GOVERNOR RELAY
ST1230
5120-00-189-7935INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-367-0042?

NSN 5120-01-367-0042 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 5120-01-367-0042?

NSN 5120-01-367-0042 has 1 cross-referenced part number: ST-1230 (Williams J H Industrial Products Inc).

What NSN replaces 5120-01-367-0042?

There are 2 known substitutes for 5120-01-367-0042: 5220-00-131-8902, 5120-00-189-7935. Verify interchangeability with system specifications before substitution.

What are the specifications of ST-1230?

Key specifications for ST-1230: Drive End Shape: SQUARE SINGLE END INTERNAL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Features Provided: MANUAL TOOL; Style Designator: INTERNAL-INTERNAL. 9 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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