PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS955Socket,socket Wrench

Sae International Dba Sae International · NSN 5120-01-429-6397 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-429-6397 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-429-6397. Primary manufacturer part number: AS955.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 18.0 MILLIMETERS NOMINAL SINGLE END MM
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-429-6397, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-429-6397
Primary Part NumberAS955
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size18.0 MILLIMETERS NOMINAL SINGLE END MM
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-01-023-2121 INTERCHANGEABLE
Belt,flat
4730-01-131-572044459-5 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Rtx Corporation Div Pratt & Whitney
5950-01-155-47782899442 INTERCHANGEABLE
Transformer,power Autotransforme
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
AS955 Sae International Dba Sae International (USA)
AS954 Sae International Dba Sae International (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
44459 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS955 TY1CL1STC General Services Administration Federal Supply Service (USA)
9-44459 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00944459000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS955 Society of Automotive Engineers Inc (USA)
Related Parts
3030-01-023-2121INTERCHANGEABLE
BELT,FLAT
4730-01-131-5720INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
44459-5
5950-01-155-4778INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
2899442

Frequently Asked Questions

What is NSN 5120-01-429-6397?

NSN 5120-01-429-6397 is a Socket,socket Wrench, manufactured by Sae International Dba Sae International, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-429-6397?

NSN 5120-01-429-6397 has 8 cross-referenced part numbers: AS955 (Sae International Dba Sae International), AS954 (Sae International Dba Sae International), AS954 TY1CL1STB (General Services Administration Federal Supply Service), 44459 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), AS955 TY1CL1STC (General Services Administration Federal Supply Service) and 3 more.

What NSN replaces 5120-01-429-6397?

There are 3 known substitutes for 5120-01-429-6397: 3030-01-023-2121, 4730-01-131-5720, 5950-01-155-4778. Verify interchangeability with system specifications before substitution.

What are the specifications of AS955?

Key specifications for AS955: Overall Length: 76.0 MILLIMETERS MINIMUM MM; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Material: STEEL OVERALL; Wrenching Surface Size: 18.0 MILLIMETERS NOMINAL SINGLE END MM. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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