PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-C-1507Crowfoot Attachment,socket Wrenc

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-184-8391 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-184-8391 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-184-8391. Primary manufacturer part number: GGG-C-1507.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: FLARE NUT
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 2.625 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-184-8391, 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 8 commercial cross-references from 5 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
NSN5120-00-184-8391
Primary Part NumberGGG-C-1507
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorFLARE NUT
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size2.625 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN
Opening Width2.062 INCHES NOMINAL IN
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Head Thickness1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-181-6750 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6752 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6753 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6754 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6755 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6756 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6758 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-181-6759JHWSCF40 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Williams J H Industrial Products Inc
5120-00-184-8385 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-184-8388 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
GGG-C-1507 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-C-1507 TY1CL3 General Services Administration Federal Supply Service (USA)
B107.21 TY1CL3STA General Services Administration Federal Supply Service (USA)
AS4167 Sae International Dba Sae International (USA)
AS4167 Society of Automotive Engineers Inc (USA)
B107.21 TY1CL1 General Services Administration Federal Supply Service (USA)
AS4167 TY1CL1STCDEA General Services Administration Federal Supply Service (USA)
B107.21 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-181-6750INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6752INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6753INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6754INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6755INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6756INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6758INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-181-6759INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
JHWSCF40
5120-00-184-8385INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8388INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8389INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-184-8395INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC

Frequently Asked Questions

What is NSN 5120-00-184-8391?

NSN 5120-00-184-8391 is a Crowfoot Attachment,socket Wrenc, 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 5120-00-184-8391?

NSN 5120-00-184-8391 has 8 cross-referenced part numbers: GGG-C-1507 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-C-1507 TY1CL3 (General Services Administration Federal Supply Service), B107.21 TY1CL3STA (General Services Administration Federal Supply Service), AS4167 (Sae International Dba Sae International), AS4167 (Society of Automotive Engineers Inc) and 3 more.

What NSN replaces 5120-00-184-8391?

There are 12 known substitutes for 5120-00-184-8391: 5120-00-181-6750, 5120-00-181-6752, 5120-00-181-6753 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-C-1507?

Key specifications for GGG-C-1507: Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Style Designator: FLARE NUT; Drive End Shape: SQUARE SINGLE END INTERNAL; Material: STEEL OVERALL. 13 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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