PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-641 TY4CL5STBRatchet Attachment,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-243-7324 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-243-7324 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-243-7324. Primary manufacturer part number: GGG-W-641 TY4CL5STB.
Features
  • Ratchet Attachment,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 4 TYPE AND 5 CLASS AND B STYLE
  • Drive Surface Size: 1.000 INCHES NOMINAL BOTH ENDS IN
  • Features Provided: REVERSIBLE RATCHET
  • Style Designator: EXTERNAL-INTERNAL
  • Drive End Shape: SQUARE SECOND END INTERNAL
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE FIRST END EXTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Ratchet Attachment,socket Wrench, cataloged under National Stock Number 5120-00-243-7324, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5120-00-243-7324
Primary Part NumberGGG-W-641 TY4CL5STB
Item NameRatchet Attachment,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Nondefinitive Spec/std Data4 TYPE AND 5 CLASS AND B STYLE
Drive Surface Size1.000 INCHES NOMINAL BOTH ENDS IN
Features ProvidedREVERSIBLE RATCHET
Style DesignatorEXTERNAL-INTERNAL
Drive End ShapeSQUARE SECOND END INTERNAL
MaterialSTEEL OVERALL
Drive End ShapeSQUARE FIRST END EXTERNAL
Outside Diameter3.500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-227-8129 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-243-7322 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-243-7323 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-277-1207 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 TY4CL5STB General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-2173 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5120-00-227-8129INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-243-7322INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-243-7323INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-277-1207INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-243-7324?

NSN 5120-00-243-7324 is a Ratchet Attachment,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 5120-00-243-7324?

NSN 5120-00-243-7324 has 3 cross-referenced part numbers: GGG-W-641 TY4CL5STB (General Services Administration Federal Supply Service), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-2173 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 5120-00-243-7324?

There are 4 known substitutes for 5120-00-243-7324: 5120-00-227-8129, 5120-00-243-7322, 5120-00-243-7323 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-641 TY4CL5STB?

Key specifications for GGG-W-641 TY4CL5STB: Nondefinitive Spec/std Data: 4 TYPE AND 5 CLASS AND B STYLE; Drive Surface Size: 1.000 INCHES NOMINAL BOTH ENDS IN; Features Provided: REVERSIBLE RATCHET; Style Designator: EXTERNAL-INTERNAL. 9 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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