PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-641Socket,socket Wrench

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-180-1015 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-180-1015 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-180-1015. Primary manufacturer part number: GGG-W-641.
Features
  • Socket,socket Wrench — FSC 5120
  • Surface Treatment: OXIDE AND CHROMIUM AND NICKEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 0.281 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Special Markings: 9/32 IN. IN
  • Wrenching Surface Shape: 8 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-180-1015, 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 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-180-1015
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
Surface TreatmentOXIDE AND CHROMIUM AND NICKEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.281 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Special Markings9/32 IN. IN
Wrenching Surface Shape8 POINT SINGLE END INTERNAL
Departure From Cited DesignatorAS MODIFIED BY WRENCHING SURFACE SIZE
MaterialSTEEL OVERALL
Drive End Outside Diameter0.690 INCHES MAXIMUM IN
Features ProvidedMANUAL TOOL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching End Outside Diameter0.625 INCHES MAXIMUM IN
Wrenching End Opening Depth0.140 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-065-1031ST544 INTERCHANGEABLE
Puller,mechanical
Cummins Inc
8135-00-281-40694069 INTERCHANGEABLE
Strapping
Independent Metal Strap Co Inc
5331-00-399-69714069 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5930-00-539-766110395521 INTERCHANGEABLE
Switch,slide
Us Army Aviation and Missile Command
2910-00-696-0367 INTERCHANGEABLE
Pump Assy,fuel
6210-00-782-75974069 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5935-00-919-101140-108P3J0170 INTERCHANGEABLE
Connector Body,receptacle,electr
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5980-01-009-2144 INTERCHANGEABLE
Control-Display,optoelectronic
5962-01-124-9258 INTERCHANGEABLE
Microcircuit,digital
6645-01-289-62964069 INTERCHANGEABLE
Brake,clock
Wakmann Watch Company Inc
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4069 Stevens Walden Inc (USA)
Related Parts
5120-00-065-1031INTERCHANGEABLE
PULLER,MECHANICAL
ST544
8135-00-281-4069INTERCHANGEABLE
STRAPPING
4069
5331-00-399-6971INTERCHANGEABLE
O-RING
4069
5930-00-539-7661INTERCHANGEABLE
SWITCH,SLIDE
10395521
2910-00-696-0367INTERCHANGEABLE
PUMP ASSY,FUEL
6210-00-782-7597INTERCHANGEABLE
LENS,LIGHT
4069
5935-00-919-1011INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
40-108P3J0170
5980-01-009-2144INTERCHANGEABLE
CONTROL-DISPLAY,OPTOELECTRONIC
5962-01-124-9258INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6645-01-289-6296INTERCHANGEABLE
BRAKE,CLOCK
4069
3120-01-407-2804INTERCHANGEABLE
BEARING,PLAIN,ROD END
4069
5895-01-667-5007INTERCHANGEABLE
COVER,ELECTRONIC COMMUNICATION E
4069

Frequently Asked Questions

What is NSN 5120-00-180-1015?

NSN 5120-00-180-1015 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 5120-00-180-1015?

NSN 5120-00-180-1015 has 2 cross-referenced part numbers: GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), 4069 (Stevens Walden Inc).

What NSN replaces 5120-00-180-1015?

There are 12 known substitutes for 5120-00-180-1015: 5120-00-065-1031, 8135-00-281-4069, 5331-00-399-6971 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-641?

Key specifications for GGG-W-641: Surface Treatment: OXIDE AND CHROMIUM AND NICKEL OVERALL; Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS; Drive End Shape: SQUARE SINGLE END INTERNAL; Overall Length: 1.250 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-180-1015 still in active supply?

NSN 5120-00-180-1015 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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