The Fabco lock nut, part number 688-0644 or 6880644, is a 2.933-12 SAE threaded lock nut referenced in Fabco illustrated parts list TC-142-PD. Fabco components are used across transfer case, steerable drive axle, and PTO applications, and this lock nut is cataloged under that same product family. The TC-142-PD parts manual lists it at item 242, confirming its place in the assembly. Call us to confirm proper fit for your specific Fabco unit before ordering.
Features
Fabco part number 688-0644 or 6880644
2.933-12 SAE threaded lock nut
Referenced as item 242 in Fabco parts manual TC-142-PD
Applies to Fabco transfer case, steerable drive axle, and PTO product lines
Sold by Pro Gear and Transmission
Tech Specs
- Part Number: 688-0644 or 6880644
- Thread: 2.933-12 SAE
- Type: Lock Nut
- Manual Reference: TC-142-PD, Item 242
