PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Socket,socket Wrench

Society of Automotive Engineers Inc · NSN 5120-01-399-9712 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9712 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9712. Primary manufacturer part number: AS954.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 2.125 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • 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 5120-01-399-9712, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-9712
Primary Part NumberAS954
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size2.125 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5330-00-146-2955 INTERCHANGEABLE
Gasket
9540-00-197-9860734-3 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
5120-00-242-3373 INTERCHANGEABLE
Socket,socket Wrench
9540-00-251-2578 INTERCHANGEABLE
Angle,structural
6230-01-025-5828 INTERCHANGEABLE
Searchlight
5961-01-050-48285568 INTERCHANGEABLE
Transistor
Tdk-Lambda Americas Inc. Div High Power Division
5340-01-306-98795568 INTERCHANGEABLE
Cap,protective,dust and Moisture
Wisco Products Inc
3120-01-332-41735568 INTERCHANGEABLE
Bearing,washer,thrust
Smatco Industries Inc
5310-01-399-80135568 INTERCHANGEABLE
Washer,flat
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5995-01-625-51065568 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Technobox Inc
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
J5568 The Stanley Works Dba Stanley Proto (USA)
5568 The Stanley Works Dba Stanley Proto (USA)
AS954 Sae International Dba Sae International (USA)
1AP61 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
5330-00-146-2955INTERCHANGEABLE
GASKET
9540-00-197-9860INTERCHANGEABLE
ANGLE,STRUCTURAL
734-3
5120-00-242-3373INTERCHANGEABLE
SOCKET,SOCKET WRENCH
9540-00-251-2578INTERCHANGEABLE
ANGLE,STRUCTURAL
6230-01-025-5828INTERCHANGEABLE
SEARCHLIGHT
5961-01-050-4828INTERCHANGEABLE
TRANSISTOR
5568
5340-01-306-9879INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
5568
3120-01-332-4173INTERCHANGEABLE
BEARING,WASHER,THRUST
5568
5310-01-399-8013INTERCHANGEABLE
WASHER,FLAT
5568
5995-01-625-5106INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5568
8315-01-658-0245INTERCHANGEABLE
NEEDLE,UPHOLSTERER'S
556-8

Frequently Asked Questions

What is NSN 5120-01-399-9712?

NSN 5120-01-399-9712 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 5120-01-399-9712?

NSN 5120-01-399-9712 has 6 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), AS954 TY1CL1STA (General Services Administration Federal Supply Service), J5568 (The Stanley Works Dba Stanley Proto), 5568 (The Stanley Works Dba Stanley Proto), AS954 (Sae International Dba Sae International) and 1 more.

What NSN replaces 5120-01-399-9712?

There are 11 known substitutes for 5120-01-399-9712: 5330-00-146-2955, 9540-00-197-9860, 5120-00-242-3373 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Style Designator: INTERNAL-INTERNAL; Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9712 still in active supply?

NSN 5120-01-399-9712 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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