PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS4283Extension,socket Wrench

R.g.m. Maintenance Pty Ltd · NSN 5120-01-428-4900 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-4900 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-4900. Primary manufacturer part number: AS4283.
Features
  • Extension,socket Wrench — FSC 5120
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: OXIDE OVERALL
  • Style Designator: RIGID
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-428-4900, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is R.g.m. Maintenance Pty Ltd. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-428-4900
Primary Part NumberAS4283
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerR.g.m. Maintenance Pty Ltd
StatusACTIVE
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE FIRST END INTERNAL
Drive End ShapeSQUARE SECOND END EXTERNAL
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentOXIDE OVERALL
Style DesignatorRIGID
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4930-00-711-56045463-B INTERCHANGEABLE
Front Stand
The Gorman-Rupp Company Div Gorman-Rupp
4820-00-789-18255463B INTERCHANGEABLE
Seat,valve
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5120-01-335-1049 INTERCHANGEABLE
Extension,socket Wrench
5120-01-335-1050 INTERCHANGEABLE
Extension,socket Wrench
5120-01-335-1052 INTERCHANGEABLE
Extension,socket Wrench
5120-01-335-1074 INTERCHANGEABLE
Extension,socket Wrench
Cross-Reference Index
Part NumberManufacturer
AS4283 R.g.m. Maintenance Pty Ltd (AUS)
AS4283 Sae International Dba Sae International (USA)
5463B The Stanley Works Dba Stanley Proto (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
B107.10 TY2CL2ST1 General Services Administration Federal Supply Service (USA)
5F483 W.w. Grainger, Inc. Div Government Sales Division (USA)
J5463B The Stanley Works Dba Stanley Proto (USA)
Related Parts
4930-00-711-5604INTERCHANGEABLE
FRONT STAND
5463-B
4820-00-789-1825INTERCHANGEABLE
SEAT,VALVE
5463B
5120-01-335-1049INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-01-335-1050INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-01-335-1052INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-01-335-1074INTERCHANGEABLE
EXTENSION,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-428-4900?

NSN 5120-01-428-4900 is a Extension,socket Wrench, manufactured by R.g.m. Maintenance Pty Ltd, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-428-4900?

NSN 5120-01-428-4900 has 7 cross-referenced part numbers: AS4283 (R.g.m. Maintenance Pty Ltd), AS4283 (Sae International Dba Sae International), 5463B (The Stanley Works Dba Stanley Proto), AS4283 TY2CL2 (General Services Administration Federal Supply Service), B107.10 TY2CL2ST1 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-01-428-4900?

There are 6 known substitutes for 5120-01-428-4900: 4930-00-711-5604, 4820-00-789-1825, 5120-01-335-1049 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS4283?

Key specifications for AS4283: Features Provided: MANUAL TOOL; Drive End Shape: SQUARE FIRST END INTERNAL; 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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