PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-641Socket,socket Wrench

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-277-8822 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-8822 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-8822. Primary manufacturer part number: GGG-W-641.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS
  • Wrenching Surface Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 0.219 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-277-8822, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-277-8822
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
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS
Wrenching Surface ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size0.219 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive End Outside Diameter0.471 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Wrenching End Outside Diameter0.471 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Wrenching End Opening Depth0.109 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5120-00-180-1019 INTERCHANGEABLE
Socket,socket Wrench
5120-00-180-1020 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7911 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7912 INTERCHANGEABLE
Socket,socket Wrench
5120-00-199-7772 INTERCHANGEABLE
Socket,socket Wrench
5120-00-199-7773 INTERCHANGEABLE
Socket,socket Wrench
5120-00-199-7774 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5844 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-9503 INTERCHANGEABLE
Socket,socket Wrench
5120-01-023-6498TM410 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-641 TY2CL3 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-180-1019INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-180-1020INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7911INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7912INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7772INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7773INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7774INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5844INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-9503INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-023-6498INTERCHANGEABLE
SOCKET,SOCKET WRENCH
TM410

Frequently Asked Questions

What is NSN 5120-00-277-8822?

NSN 5120-00-277-8822 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 5120-00-277-8822?

NSN 5120-00-277-8822 has 2 cross-referenced part numbers: GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-W-641 TY2CL3 (General Services Administration Federal Supply Service).

What NSN replaces 5120-00-277-8822?

There are 10 known substitutes for 5120-00-277-8822: 5120-00-180-1019, 5120-00-180-1020, 5120-00-189-7911 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-641?

Key specifications for GGG-W-641: Overall Length: 1.000 INCHES MAXIMUM IN; Material: STEEL OVERALL; Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS; Wrenching Surface Shape: SQUARE SINGLE END INTERNAL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-8822 still in active supply?

NSN 5120-00-277-8822 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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