PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-641Socket,socket Wrench

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-242-3345 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-242-3345 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-242-3345. Primary manufacturer part number: GGG-W-641.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 0.510 INCHES MAXIMUM IN
  • Style Designator: INTERNAL-INTERNAL
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Wrenching End Outside Diameter: 0.438 INCHES MAXIMUM IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-242-3345, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-242-3345
Primary Part NumberGGG-W-641
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Drive End Outside Diameter0.510 INCHES MAXIMUM IN
Style DesignatorINTERNAL-INTERNAL
MaterialSTEEL OVERALL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Wrenching End Outside Diameter0.438 INCHES MAXIMUM IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Special Markings9/32 IN. IN
Wrenching End Opening Depth0.141 INCHES MINIMUM IN
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Surface TreatmentCHROMIUM OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Features ProvidedMANUAL TOOL
Wrenching Surface Size0.281 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5120-00-232-5703M106R INTERCHANGEABLE
Socket,socket Wrench
Stanley Industrial & Automotive Llc
5120-00-232-5704 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-2262 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-2263 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-2264 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0016 INTERCHANGEABLE
Socket,socket Wrench
5120-00-241-3186 INTERCHANGEABLE
Socket,socket Wrench
5120-00-952-8358J4704 INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
5120-00-962-8343 INTERCHANGEABLE
Socket,socket Wrench
3020-01-399-101792-AV101-N-SYM 102 INTERCHANGEABLE
Gear,spur
Mc Keon Rolling Steel Door Co Inc
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
GGG-W-641 TY2CL1STA General Services Administration Federal Supply Service (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
A-A-1409 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M609 Ducommun Metals Co (USA)
Related Parts
5120-00-232-5703INTERCHANGEABLE
SOCKET,SOCKET WRENCH
M106R
5120-00-232-5704INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-2262INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-2263INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-2264INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0016INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-241-3186INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-952-8358INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J4704
5120-00-962-8343INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3020-01-399-1017INTERCHANGEABLE
GEAR,SPUR
92-AV101-N-SYM 102
1670-01-416-6970INTERCHANGEABLE
BAND,SPRING,PARACHUTE PACK OPENI
M609

Frequently Asked Questions

What is NSN 5120-00-242-3345?

NSN 5120-00-242-3345 is a Socket,socket Wrench, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-242-3345?

NSN 5120-00-242-3345 has 7 cross-referenced part numbers: GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), B107.1 CL1STA (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), GGG-W-641 TY2CL1STA (General Services Administration Federal Supply Service), B107.1 TY1CL1 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-00-242-3345?

There are 11 known substitutes for 5120-00-242-3345: 5120-00-232-5703, 5120-00-232-5704, 5120-00-236-2262 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-641?

Key specifications for GGG-W-641: Overall Length: 1.010 INCHES MAXIMUM IN; Drive End Outside Diameter: 0.510 INCHES MAXIMUM IN; Style Designator: INTERNAL-INTERNAL; Material: STEEL OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-242-3345 still in active supply?

NSN 5120-00-242-3345 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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