PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-66201Spider,universal Joint,vehicular

Rockford Powertrain Inc Div Powertrain Rockford, Inc. · NSN 2520-00-563-6634 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-563-6634 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-563-6634. Primary manufacturer part number: 3-66201.
Features
  • Spider,universal Joint,vehicular — FSC 2520
  • Length Across Arms: 7.744 INCHES MINIMUM AND 7.745 INCHES MAXIMUM IN
  • Material: STEEL
  • 14 verified cross-references
  • Primary manufacturer: Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Applications
  • Applications requiring Steel construction
General Description

The Spider,universal Joint,vehicular, cataloged under National Stock Number 2520-00-563-6634, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Rockford Powertrain Inc Div Powertrain Rockford, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2520-00-563-6634
Primary Part Number3-66201
Item NameSpider,universal Joint,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerRockford Powertrain Inc Div Powertrain Rockford, Inc.
StatusCANCELLED
Length Across Arms7.744 INCHES MINIMUM AND 7.745 INCHES MAXIMUM IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5930-00-218-06119000S6202-74031PC60 INTERCHANGEABLE
Handle,switch
Naval Ship Systems Command
3010-00-320-03961149000 INTERCHANGEABLE
Clutch,magnetic,nonvehicular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-00-484-7602366200 INTERCHANGEABLE
Bearing,sleeve
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
6625-01-043-7046A645-1302 INTERCHANGEABLE
Ammeter
Essex Electro Engineers Inc
6505-01-217-943613702 INTERCHANGEABLE
Docusate Sodium Capsules
Goldline Laboratories Government Sales Div
Cross-Reference Index
Part NumberManufacturer
3A577 Link-Belt Cranes, L.p., Lllp (USA)
3-66200 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
3-66220 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
114-9000A Spalla Inc (USA)
5636634 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
114-9014 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
35MU213 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
114-9000 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
114-9018A Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
CP92N3 Meritor Industrial Products, Llc (USA)
4092P11 Taylor Machine Works Inc (USA)
114-9000A Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
CP92N3 Meritor Heavy Vehicle Systems, Llc (USA)
3-66201 PRIMARY Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
Related Parts
5930-00-218-0611INTERCHANGEABLE
HANDLE,SWITCH
9000S6202-74031PC60
3010-00-320-0396INTERCHANGEABLE
CLUTCH,MAGNETIC,NONVEHICULAR
1149000
3120-00-484-7602INTERCHANGEABLE
BEARING,SLEEVE
366200
6625-01-043-7046INTERCHANGEABLE
AMMETER
A645-1302
6505-01-217-9436INTERCHANGEABLE
DOCUSATE SODIUM CAPSULES
13702

Frequently Asked Questions

What is NSN 2520-00-563-6634?

NSN 2520-00-563-6634 is a Spider,universal Joint,vehicular, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-563-6634?

NSN 2520-00-563-6634 has 14 cross-referenced part numbers: 3A577 (Link-Belt Cranes, L.p., Lllp), 3-66200 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.), 3-66220 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.), 114-9000A (Spalla Inc), 5636634 (U S Army Tank Automotive Command Amsta-Im-Mm) and 9 more.

What NSN replaces 2520-00-563-6634?

There are 5 known substitutes for 2520-00-563-6634: 5930-00-218-0611, 3010-00-320-0396, 3120-00-484-7602 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-66201?

Key specifications for 3-66201: Length Across Arms: 7.744 INCHES MINIMUM AND 7.745 INCHES MAXIMUM IN; Special Features: RH THD;1/8-27 NP,THD SIZE;BRGS-INCL.;BRG QTY 4;BRG OD 2.156 IN.;BRG LG 3.750 IN.;LUBRICATION MODE-PORT;BRG SHAPE-INCLOSED END CYLINDERICAL;BRG TYPE-NEEDLE;HUB BORE DIA 2.750/2.751 IN.;PORT THD PROVISION-THDED IN; Material: STEEL; End Item Identification: FINAL DRIVE,DIFFERENTIAL,COMBAT TANK. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2520-00-563-6634 still in active supply?

NSN 2520-00-563-6634 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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