PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS4283Extension,socket Wrench

Society of Automotive Engineers Inc · NSN 5120-01-358-0543 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-358-0543 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-358-0543. Primary manufacturer part number: AS4283.
Features
  • Extension,socket Wrench — FSC 5120
  • Style Designator: RIGID
  • Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-358-0543, 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 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-358-0543
Primary Part NumberAS4283
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Style DesignatorRIGID
Drive Surface Size0.250 INCHES NOMINAL BOTH ENDS IN
Drive End ShapeSQUARE SECOND END EXTERNAL
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE FIRST END INTERNAL
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Outside Diameter0.343 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-227-8105 INTERCHANGEABLE
Extension,socket Wrench
5950-00-856-3065T1048 INTERCHANGEABLE
Transformer,power
Drs Advanced Isr, Llc
5330-01-210-38908707 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5998-01-513-229740961 INTERCHANGEABLE
Circuit Card Assembly
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
Cross-Reference Index
Part NumberManufacturer
AS4283 Society of Automotive Engineers Inc (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
40961 S K Hand Tool Corp (USA)
AS4283 Sae International Dba Sae International (USA)
Related Parts
5120-00-227-8105INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5950-00-856-3065INTERCHANGEABLE
TRANSFORMER,POWER
T1048
5330-01-210-3890INTERCHANGEABLE
SEAL,PLAIN ENCASED
8707
5998-01-513-2297INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40961

Frequently Asked Questions

What is NSN 5120-01-358-0543?

NSN 5120-01-358-0543 is a Extension,socket Wrench, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-358-0543?

NSN 5120-01-358-0543 has 4 cross-referenced part numbers: AS4283 (Society of Automotive Engineers Inc), AS4283 TY2CL2 (General Services Administration Federal Supply Service), 40961 (S K Hand Tool Corp), AS4283 (Sae International Dba Sae International).

What NSN replaces 5120-01-358-0543?

There are 4 known substitutes for 5120-01-358-0543: 5120-00-227-8105, 5950-00-856-3065, 5330-01-210-3890 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS4283?

Key specifications for AS4283: Style Designator: RIGID; Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN; Drive End Shape: SQUARE SECOND END EXTERNAL; Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 10 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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