PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-C-1507 TY1CL3Crowfoot Attachment,socket Wrenc

General Services Administration Federal Supply Service · NSN 5120-00-181-6751 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-181-6751 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-181-6751. Primary manufacturer part number: GGG-C-1507 TY1CL3.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Opening Width: 1.312 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS
  • Wrenching Surface Size: 1.750 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Head Thickness: 1.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-181-6751, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-181-6751
Primary Part NumberGGG-C-1507 TY1CL3
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Opening Width1.312 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND 3 CLASS
Wrenching Surface Size1.750 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Head Thickness1.000 INCHES NOMINAL IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorFLARE NUT
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4910-01-127-7365AF-5-6 INTERCHANGEABLE
Tank Valve Assy
Tuxco Corp
5120-01-428-8033 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5310-01-559-978099804 INTERCHANGEABLE
Nut,plain,hexagon
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
GGG-C-1507 TY1CL3 General Services Administration Federal Supply Service (USA)
45456 Utica Tool Co Inc (USA)
AN8508-28A Snap on Uk Holdings Ltd T/a Snap on Tools (GBR)
AF-56 Utica Tool Co Inc (USA)
10082417 Nimikkeistokeskus Ncb Finland (FIN)
7900-841903-4 Department of the Air Force (USA)
GGG-C-1507 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4910-01-127-7365INTERCHANGEABLE
TANK VALVE ASSY
AF-5-6
5120-01-428-8033INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5310-01-559-9780INTERCHANGEABLE
NUT,PLAIN,HEXAGON
99804

Frequently Asked Questions

What is NSN 5120-00-181-6751?

NSN 5120-00-181-6751 is a Crowfoot Attachment,socket Wrenc, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-181-6751?

NSN 5120-00-181-6751 has 7 cross-referenced part numbers: GGG-C-1507 TY1CL3 (General Services Administration Federal Supply Service), 45456 (Utica Tool Co Inc), AN8508-28A (Snap on Uk Holdings Ltd T/a Snap on Tools), AF-56 (Utica Tool Co Inc), 10082417 (Nimikkeistokeskus Ncb Finland) and 2 more.

What NSN replaces 5120-00-181-6751?

There are 3 known substitutes for 5120-00-181-6751: 4910-01-127-7365, 5120-01-428-8033, 5310-01-559-9780. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-C-1507 TY1CL3?

Key specifications for GGG-C-1507 TY1CL3: Opening Width: 1.312 INCHES NOMINAL IN; Overall Length: 3.129 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS; Wrenching Surface Size: 1.750 INCHES NOMINAL SINGLE END IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-181-6751 still in active supply?

NSN 5120-00-181-6751 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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