PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954 TY1CL1STASocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-378-5933 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-378-5933 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-378-5933. Primary manufacturer part number: AS954 TY1CL1STA.
Features
  • Socket,socket Wrench — FSC 5120
  • Features Provided: MANUAL TOOL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 2.375 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-378-5933, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-378-5933
Primary Part NumberAS954 TY1CL1STA
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size2.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5120-00-236-7643 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
LDH762 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-00-236-7643INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-378-5933?

NSN 5120-01-378-5933 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 5120-01-378-5933?

NSN 5120-01-378-5933 has 4 cross-referenced part numbers: AS954 TY1CL1STA (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc), LDH762 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AS954 (Sae International Dba Sae International).

What NSN replaces 5120-01-378-5933?

There is 1 known substitute for 5120-01-378-5933: 5120-00-236-7643. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954 TY1CL1STA?

Key specifications for AS954 TY1CL1STA: Features Provided: MANUAL TOOL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE; Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Style Designator: INTERNAL-INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-378-5933 still in active supply?

NSN 5120-01-378-5933 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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