PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954 TY1CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-430-2901 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-430-2901 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-430-2901. Primary manufacturer part number: AS954 TY1CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-430-2901, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-430-2901
Primary Part NumberAS954 TY1CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5935-00-504-47161037-18 INTERCHANGEABLE
Cover,electrical Connector
Raytheon Company Dba Raytheon
5999-00-705-1371 INTERCHANGEABLE
Heater,thermal Release
5962-01-089-781242418 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5950-01-122-4806984878-1B INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
AS954 Society of Automotive Engineers Inc (USA)
42418 S K Hand Tool Corp (USA)
Related Parts
5935-00-504-4716INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
1037-18
5999-00-705-1371INTERCHANGEABLE
HEATER,THERMAL RELEASE
5962-01-089-7812INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42418
5950-01-122-4806INTERCHANGEABLE
TRANSFORMER,POWER
984878-1B

Frequently Asked Questions

What is NSN 5120-01-430-2901?

NSN 5120-01-430-2901 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-430-2901?

NSN 5120-01-430-2901 has 4 cross-referenced part numbers: AS954 TY1CL1STB (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), AS954 (Society of Automotive Engineers Inc), 42418 (S K Hand Tool Corp).

What NSN replaces 5120-01-430-2901?

There are 4 known substitutes for 5120-01-430-2901: 5935-00-504-4716, 5999-00-705-1371, 5962-01-089-7812 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954 TY1CL1STB?

Key specifications for AS954 TY1CL1STB: Drive End Shape: SQUARE SINGLE END INTERNAL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL; Special Features: DEEP LENGTH. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-430-2901 still in active supply?

NSN 5120-01-430-2901 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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