PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Socket,socket Wrench

Society of Automotive Engineers Inc · NSN 5120-01-399-9499 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9499 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9499. Primary manufacturer part number: AS954.
Features
  • Socket,socket Wrench — FSC 5120
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.219 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-399-9499, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5120-01-399-9499
Primary Part NumberAS954
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface Size0.219 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5120-00-948-3214GW-1407 INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
J4707LT Henchman Products Pty Ltd (AUS)
J4707LT Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS)
J4707LT The Stanley Works Dba Stanley Proto (USA)
STP 4707LTG Kipper Tool Company Dba Kipper Management Inc (USA)
4707LT The Stanley Works Dba Stanley Proto (USA)
1AF78 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
5120-00-948-3214INTERCHANGEABLE
SOCKET,SOCKET WRENCH
GW-1407

Frequently Asked Questions

What is NSN 5120-01-399-9499?

NSN 5120-01-399-9499 is a Socket,socket Wrench, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-399-9499?

NSN 5120-01-399-9499 has 9 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), AS954 TY1CL1STB (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), J4707LT (Henchman Products Pty Ltd), J4707LT (Henchman Group Pty Ltd the Trustee for Henchman Unit Trust) and 4 more.

What NSN replaces 5120-01-399-9499?

There is 1 known substitute for 5120-01-399-9499: 5120-00-948-3214. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL; Wrenching Surface Size: 0.219 INCHES NOMINAL SINGLE END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9499 still in active supply?

NSN 5120-01-399-9499 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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