PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-641Socket,socket Wrench

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-199-7771 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-199-7771 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-199-7771. Primary manufacturer part number: GGG-W-641.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 2.250 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Style Designator: INTERNAL-INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-199-7771, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 12 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
NSN5120-00-199-7771
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
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size2.250 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-212-4982 INTERCHANGEABLE
Terminal Board
6685-00-221-4672 INTERCHANGEABLE
Thermometer,self-Indicating
6930-00-397-2675617-2 INTERCHANGEABLE
Drum Assy
Instruments and Flight Research, Inc.
3020-00-587-24816172 INTERCHANGEABLE
Link,roller Chain
Highway Equipment Company Inc
5905-00-933-6978RS2BX000B100R0F INTERCHANGEABLE
Resistor,fixed,wire Wound
Vishay Dale Electronics, Llc Div Vishay Americas
4730-00-989-1843342C604H03 INTERCHANGEABLE
Cap,tube
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4010-01-015-3307NAS1201B10A30A INTERCHANGEABLE
Chain Assembly,single Leg
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6685-01-110-3865H1268 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
5120-01-335-9091 INTERCHANGEABLE
Socket,socket Wrench
2530-01-384-15716172 INTERCHANGEABLE
Cup Outer
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 Society of Automotive Engineers Inc (USA)
GGG-W-641 TY2CL2STA General Services Administration Federal Supply Service (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
050447 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
GLDH722 Sna Germany Gmbh (DEU)
AS954 Sae International Dba Sae International (USA)
A-A-1394 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
GLDH722 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
H-1272 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
1836 American Kal Enterprises, Inc Dba American Kal Enterprises (USA)
H-1272 Williams J H Industrial Products Inc (USA)
B107.1 The American Society of Mechanical Engineers (USA)
6172 Wright Tool Co (USA)
Related Parts
5940-00-212-4982INTERCHANGEABLE
TERMINAL BOARD
6685-00-221-4672INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
6930-00-397-2675INTERCHANGEABLE
DRUM ASSY
617-2
3020-00-587-2481INTERCHANGEABLE
LINK,ROLLER CHAIN
6172
5905-00-933-6978INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
RS2BX000B100R0F
4730-00-989-1843INTERCHANGEABLE
CAP,TUBE
342C604H03
4010-01-015-3307INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
NAS1201B10A30A
6685-01-110-3865INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
H1268
5120-01-335-9091INTERCHANGEABLE
SOCKET,SOCKET WRENCH
2530-01-384-1571INTERCHANGEABLE
CUP OUTER
6172
1310-01-503-9177INTERCHANGEABLE
CARTRIDGE,40 MILLIMETER CANISTER
6172
1680-01-624-2033INTERCHANGEABLE
BOX,TOOLS STOWAGE,AIRCRAFT
6172

Frequently Asked Questions

What is NSN 5120-00-199-7771?

NSN 5120-00-199-7771 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 5120-00-199-7771?

NSN 5120-00-199-7771 has 16 cross-referenced part numbers: GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), AS954 (Society of Automotive Engineers Inc), GGG-W-641 TY2CL2STA (General Services Administration Federal Supply Service), AS954 TY1CL1STA (General Services Administration Federal Supply Service), 050447 (Trw Inc Hand Tools Div Trw Industrial Products Group) and 11 more.

What NSN replaces 5120-00-199-7771?

There are 12 known substitutes for 5120-00-199-7771: 5940-00-212-4982, 6685-00-221-4672, 6930-00-397-2675 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 Surface Shape: 12 POINT SINGLE END INTERNAL; Wrenching Surface Size: 2.250 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL; Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-199-7771 still in active supply?

NSN 5120-00-199-7771 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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