PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-641 TY4CL4STAExtension,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-240-8704 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-240-8704 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-240-8704. Primary manufacturer part number: GGG-W-641 TY4CL4STA.
Features
  • Extension,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Outside Diameter: 1.375 INCHES MAXIMUM IN
  • Features Provided: MANUAL TOOL
  • Style Designator: RIGID
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-00-240-8704, 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 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-240-8704
Primary Part NumberGGG-W-641 TY4CL4STA
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Drive End ShapeSQUARE FIRST END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SECOND END EXTERNAL
Outside Diameter1.375 INCHES MAXIMUM IN
Features ProvidedMANUAL TOOL
Style DesignatorRIGID
Drive Surface Size1.000 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-219-89985863 INTERCHANGEABLE
Gear Cluster
Eaton Corp Transmission Div
5120-00-227-8074JHWS-115P INTERCHANGEABLE
Extension,socket Wrench
Williams J H Industrial Products Inc
5120-00-227-8079 INTERCHANGEABLE
Extension,socket Wrench
5120-00-227-8105 INTERCHANGEABLE
Extension,socket Wrench
5120-00-227-8107 INTERCHANGEABLE
Extension,socket Wrench
5120-00-240-8705 INTERCHANGEABLE
Extension,socket Wrench
5120-00-240-8706 INTERCHANGEABLE
Extension,socket Wrench
5120-00-243-1689 INTERCHANGEABLE
Extension,socket Wrench
5120-00-243-1691 INTERCHANGEABLE
Extension,socket Wrench
5120-00-243-1693 INTERCHANGEABLE
Extension,socket Wrench
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 TY4CL4STA General Services Administration Federal Supply Service (USA)
B107.10 The American Society of Mechanical Engineers (USA)
B107.10M TY2CL2ST1 General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.10 TY2CL2STA General Services Administration Federal Supply Service (USA)
A-A-2170 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
5863 Stanley Canada Incstanley Proto Div (CAN)
AS4283 Society of Automotive Engineers Inc (USA)
AS4283 Sae International Dba Sae International (USA)
L123 Sna Germany Gmbh (DEU)
B107.10M The American Society of Mechanical Engineers (USA)
Related Parts
3020-00-219-8998INTERCHANGEABLE
GEAR CLUSTER
5863
5120-00-227-8074INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
JHWS-115P
5120-00-227-8079INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-227-8105INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-227-8107INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-240-8705INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-240-8706INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-1689INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-1691INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-1693INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-1697INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-243-7325INTERCHANGEABLE
EXTENSION,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-240-8704?

NSN 5120-00-240-8704 is a Extension,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-240-8704?

NSN 5120-00-240-8704 has 12 cross-referenced part numbers: GGG-W-641 TY4CL4STA (General Services Administration Federal Supply Service), B107.10 (The American Society of Mechanical Engineers), B107.10M TY2CL2ST1 (General Services Administration Federal Supply Service), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), B107.10 TY2CL2STA (General Services Administration Federal Supply Service) and 7 more.

What NSN replaces 5120-00-240-8704?

There are 12 known substitutes for 5120-00-240-8704: 3020-00-219-8998, 5120-00-227-8074, 5120-00-227-8079 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-641 TY4CL4STA?

Key specifications for GGG-W-641 TY4CL4STA: Drive End Shape: SQUARE FIRST END INTERNAL; Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS; Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SECOND END EXTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com