Fabco Hex Lock Nut 3/4-16, part number 688-0689 or 6880689, is a high UTS (ultimate tensile strength) hex lock nut sized for a 3/4-16 UNF thread. It is a genuine Fabco fastener used in Fabco transfer case, PTO, and steerable drive axle assemblies where a high tensile locking nut is specified. The hex body accepts a standard wrench, and the locking feature helps the nut hold torque under vibration and load. Sold by Pro Gear and Transmission as a genuine Fabco part. Not sure this is your part? Give us a call to confirm proper fit for your application.
Features
Fabco part number 688-0689 or 6880689
Hex lock nut with 3/4-16 UNF thread
High UTS (ultimate tensile strength) construction
Genuine Fabco fastener
Used in Fabco transfer case, PTO, and steerable drive axle applications
Tech Specs
- Brand: Fabco
- Part number: 688-0689 or 6880689
- Type: Hex lock nut
- Thread: 3/4-16 UNF
- Strength: High UTS (ultimate tensile strength)
- UPC: 193174382635
