PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS955Socket,socket Wrench

Sae International Dba Sae International · NSN 5120-01-430-2931 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-430-2931 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-430-2931. Primary manufacturer part number: AS955.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
  • Specification/standard Data: 81343-SAE AS955 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Wrenching Surface Size: 13.0 MILLIMETERS NOMINAL SINGLE END MM
  • 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 5120-01-430-2931, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-430-2931
Primary Part NumberAS955
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Specification/standard Data81343-SAE AS955 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Size13.0 MILLIMETERS NOMINAL SINGLE END MM
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5950-00-118-8154674-0117-010 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6740-00-443-313543-712 INTERCHANGEABLE
Bumper,weight
Pakon Inc Dba Impak Division
6930-00-512-2147919-012020 INTERCHANGEABLE
Indicator,sensitive
Elbitamerica, Inc.
4820-01-031-73462615208-3 INTERCHANGEABLE
Valve,gate
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-01-064-3448 INTERCHANGEABLE
Tee,pipe to Tube
2530-01-098-12424-3712 INTERCHANGEABLE
Wheel Tire Assembly
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
AS955 Sae International Dba Sae International (USA)
AS955 TY1CL1STA General Services Administration Federal Supply Service (USA)
43712 S K Hand Tool Corp (USA)
AS955 Society of Automotive Engineers Inc (USA)
Related Parts
5950-00-118-8154INTERCHANGEABLE
TRANSFORMER,POWER
674-0117-010
6740-00-443-3135INTERCHANGEABLE
BUMPER,WEIGHT
43-712
6930-00-512-2147INTERCHANGEABLE
INDICATOR,SENSITIVE
919-012020
4820-01-031-7346INTERCHANGEABLE
VALVE,GATE
2615208-3
4730-01-064-3448INTERCHANGEABLE
TEE,PIPE TO TUBE
2530-01-098-1242INTERCHANGEABLE
WHEEL TIRE ASSEMBLY
4-3712

Frequently Asked Questions

What is NSN 5120-01-430-2931?

NSN 5120-01-430-2931 is a Socket,socket Wrench, manufactured by Sae International Dba Sae International, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-430-2931?

NSN 5120-01-430-2931 has 4 cross-referenced part numbers: AS955 (Sae International Dba Sae International), AS955 TY1CL1STA (General Services Administration Federal Supply Service), 43712 (S K Hand Tool Corp), AS955 (Society of Automotive Engineers Inc).

What NSN replaces 5120-01-430-2931?

There are 6 known substitutes for 5120-01-430-2931: 5950-00-118-8154, 6740-00-443-3135, 6930-00-512-2147 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS955?

Key specifications for AS955: Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Special Features: STANDARD LENGTH; Features Provided: MANUAL TOOL; Specification/standard Data: 81343-SAE AS955 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-430-2931 still in active supply?

NSN 5120-01-430-2931 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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