PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954 TY1CL1STASocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-399-9768 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9768 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9768. Primary manufacturer part number: AS954 TY1CL1STA.
Features
  • Socket,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Wrenching Surface Size: 0.656 INCHES NOMINAL SINGLE END IN
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-399-9768, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-9768
Primary Part NumberAS954 TY1CL1STA
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Size0.656 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-100-8766 INTERCHANGEABLE
Box Connector,electrical
5950-00-232-4872 INTERCHANGEABLE
Coil,electrical
5985-00-254-7678 INTERCHANGEABLE
Matching Section,an
4730-00-813-2369149F-6-8 INTERCHANGEABLE
Elbow,pipe to Tube
Parker-Hannifin Corp Div Fluid System Connector Division
5975-01-038-8707 INTERCHANGEABLE
Box Connector,electrical
5962-01-039-5037 INTERCHANGEABLE
Microcircuit,digital
5865-01-115-0333813005-90 INTERCHANGEABLE
Filter,yig
Warner Robins Air Logistics Center
5945-01-156-5583 INTERCHANGEABLE
Solenoid,electrical
6105-01-159-61495KSP51ECL552T INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
2530-01-183-4746BD60449 INTERCHANGEABLE
Rotor Assembly,disc Brake
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
Cross-Reference Index
Part NumberManufacturer
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
J5421 The Stanley Works Dba Stanley Proto (USA)
1AM68 W.w. Grainger, Inc. Div Government Sales Division (USA)
AS954 Society of Automotive Engineers Inc (USA)
5421 The Stanley Works Dba Stanley Proto (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5975-00-100-8766INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5950-00-232-4872INTERCHANGEABLE
COIL,ELECTRICAL
5985-00-254-7678INTERCHANGEABLE
MATCHING SECTION,AN
4730-00-813-2369INTERCHANGEABLE
ELBOW,PIPE TO TUBE
149F-6-8
5975-01-038-8707INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5962-01-039-5037INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5865-01-115-0333INTERCHANGEABLE
FILTER,YIG
813005-90
5945-01-156-5583INTERCHANGEABLE
SOLENOID,ELECTRICAL
6105-01-159-6149INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5KSP51ECL552T
2530-01-183-4746INTERCHANGEABLE
ROTOR ASSEMBLY,DISC BRAKE
BD60449
9330-01-207-5531INTERCHANGEABLE
PLASTIC STRIP,PRESSURE SENSITIVE
4130-01-362-4222INTERCHANGEABLE
FILTER MEDIA,AIR CONDITIONING
2026AS226-1

Frequently Asked Questions

What is NSN 5120-01-399-9768?

NSN 5120-01-399-9768 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 5120-01-399-9768?

NSN 5120-01-399-9768 has 6 cross-referenced part numbers: AS954 TY1CL1STA (General Services Administration Federal Supply Service), J5421 (The Stanley Works Dba Stanley Proto), 1AM68 (W.w. Grainger, Inc. Div Government Sales Division), AS954 (Society of Automotive Engineers Inc), 5421 (The Stanley Works Dba Stanley Proto) and 1 more.

What NSN replaces 5120-01-399-9768?

There are 12 known substitutes for 5120-01-399-9768: 5975-00-100-8766, 5950-00-232-4872, 5985-00-254-7678 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954 TY1CL1STA?

Key specifications for AS954 TY1CL1STA: Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE; Wrenching Surface Size: 0.656 INCHES NOMINAL SINGLE END IN; Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Style Designator: INTERNAL-INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9768 still in active supply?

NSN 5120-01-399-9768 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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