PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21C2404P019Crowfoot Attachment,socket Wrenc

General Electric Company · NSN 5120-00-953-3411 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-953-3411 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-953-3411. Primary manufacturer part number: 21C2404P019.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Special Markings: 9/16 IN. WRENCH SIZE IN
  • Material: STEEL COMP 4340 OVERALL
  • Surface Treatment: NICKEL AND CHROMIUM OVERALL
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Comp 4340 Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-953-3411, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Electric Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-953-3411
Primary Part Number21C2404P019
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Electric Company
StatusACTIVE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Special Markings9/16 IN. WRENCH SIZE IN
MaterialSTEEL COMP 4340 OVERALL
Surface TreatmentNICKEL AND CHROMIUM OVERALL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
Style DesignatorFLARE NUT
Opening Width0.343 INCHES MINIMUM IN
Head Thickness0.562 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-198-9607265-12-01-106 INTERCHANGEABLE
Connector,receptacle,electrical
Cinch Connectivity Solutions Inc.
3810-00-255-504418782 INTERCHANGEABLE
Gearbox Assembly,hoist,crane
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
4820-00-351-736946218 INTERCHANGEABLE
Cover,valve
Jenny Products, Inc
6105-00-643-4726SSNDE161-2200-5 INTERCHANGEABLE
Motor,direct Current
Kearfott Corporation Div Guidance and Navigation Division
2540-01-112-0525 INTERCHANGEABLE
Blade,windshield Wiper
5340-01-422-456018782 INTERCHANGEABLE
Bracket,mounting
Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation
5998-01-498-1357 INTERCHANGEABLE
Holder,electrical Card
8465-01-586-80055-15-32584 INTERCHANGEABLE
Bag,individual Equipment,carrier
Edgewood Chemical Biological Center Ecbc
6510-01-588-325866800418 INTERCHANGEABLE
Dressing,antimicrobial
Smith & Nephew, Inc. Div Advanced Wound Management
5330-01-631-858546218 INTERCHANGEABLE
Gasket
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
46218 Kelsey-Hayes Co Wheel Drum and Brake Div (USA)
21C2404P019 PRIMARY General Electric Company (USA)
18782 Wta Tool Llc (USA)
18782 Granco Industries Inc (USA)
WC19605-18-8 PRIMARY Howmet Global Fastening Systems Inc (USA)
WC19605-18-8 Howmet Global Fastening Systems Inc. Div Microdot Products (USA)
Related Parts
5935-00-198-9607INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
265-12-01-106
3810-00-255-5044INTERCHANGEABLE
GEARBOX ASSEMBLY,HOIST,CRANE
18782
4820-00-351-7369INTERCHANGEABLE
COVER,VALVE
46218
6105-00-643-4726INTERCHANGEABLE
MOTOR,DIRECT CURRENT
SSNDE161-2200-5
2540-01-112-0525INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
5340-01-422-4560INTERCHANGEABLE
BRACKET,MOUNTING
18782
5998-01-498-1357INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
8465-01-586-8005INTERCHANGEABLE
BAG,INDIVIDUAL EQUIPMENT,CARRIER
5-15-32584
6510-01-588-3258INTERCHANGEABLE
DRESSING,ANTIMICROBIAL
66800418
5330-01-631-8585INTERCHANGEABLE
GASKET
46218

Frequently Asked Questions

What is NSN 5120-00-953-3411?

NSN 5120-00-953-3411 is a Crowfoot Attachment,socket Wrenc, manufactured by General Electric Company, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-953-3411?

NSN 5120-00-953-3411 has 6 cross-referenced part numbers: 46218 (Kelsey-Hayes Co Wheel Drum and Brake Div), 21C2404P019 (General Electric Company), 18782 (Wta Tool Llc), 18782 (Granco Industries Inc), WC19605-18-8 (Howmet Global Fastening Systems Inc) and 1 more.

What NSN replaces 5120-00-953-3411?

There are 10 known substitutes for 5120-00-953-3411: 5935-00-198-9607, 3810-00-255-5044, 4820-00-351-7369 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21C2404P019?

Key specifications for 21C2404P019: Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Special Markings: 9/16 IN. WRENCH SIZE IN; Material: STEEL COMP 4340 OVERALL; Surface Treatment: NICKEL AND CHROMIUM OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com