PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-641Socket,socket Wrench

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-517-8102 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-517-8102 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-517-8102. Primary manufacturer part number: GGG-W-641.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 0.312 INCHES NOMINAL IN
  • Wrenching End Outside Diameter: 0.468 INCHES NOMINAL IN
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Features Provided: MANUAL TOOL
  • Special Markings: 5/16 IN. IN
  • Drive End Outside Diameter: 0.687 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-517-8102, 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 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-517-8102
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
StatusACTIVE
Wrenching End Opening Depth0.312 INCHES NOMINAL IN
Wrenching End Outside Diameter0.468 INCHES NOMINAL IN
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Features ProvidedMANUAL TOOL
Special Markings5/16 IN. IN
Drive End Outside Diameter0.687 INCHES NOMINAL IN
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS
Wrenching Surface Size0.312 INCHES NOMINAL SINGLE END IN
Style DesignatorUNIVERSAL JOINT
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-082-8527 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5847 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7611 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7613 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7615 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7616 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7619 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7621 INTERCHANGEABLE
Socket,socket Wrench
5120-00-935-7309 INTERCHANGEABLE
Socket Set,socket Wrench
5120-01-076-8209 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FS10A Sna Germany Gmbh (DEU)
GGG-W-641 TY2CL4 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-082-8527INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5847INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7611INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7613INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7615INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7616INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7619INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7621INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-935-7309INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH
5120-01-076-8209INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-076-8210INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-335-0860INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-517-8102?

NSN 5120-00-517-8102 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: active.

What are the part numbers for NSN 5120-00-517-8102?

NSN 5120-00-517-8102 has 3 cross-referenced part numbers: GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), FS10A (Sna Germany Gmbh), GGG-W-641 TY2CL4 (General Services Administration Federal Supply Service).

What NSN replaces 5120-00-517-8102?

There are 12 known substitutes for 5120-00-517-8102: 5120-00-082-8527, 5120-00-235-5847, 5120-00-236-7611 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-641?

Key specifications for GGG-W-641: Wrenching End Opening Depth: 0.312 INCHES NOMINAL IN; Wrenching End Outside Diameter: 0.468 INCHES NOMINAL IN; Overall Length: 1.578 INCHES NOMINAL IN; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN. 14 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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