Terex
Hex Nylock nut for Terex PT70
This hex Nylock nut is a fastening component used for securing internal cab components on the Terex PT70 compact track loader.
Parts diagram
Compatible models
Specifications
- Part number
- 8040-546
- Brand
- Terex
The hex Nylock nut is a specialized fastener designed for secure assembly within the cab interior of the Terex PT70 compact track loader. It features an integrated nylon insert that creates friction against the mating threads, helping to maintain torque and prevent loosening in environments subject to operational vibration. This component ensures that internal panels, brackets, and various cabin elements remain firmly attached during machine operation.
This fastener is specified as a 7/16-14 UNC hex nut with a zinc finish. It is compatible with the Terex PT70 model and is utilized within the machine's cabin interior subsystem. The 7/16-inch diameter and 14 threads per inch configuration follow the Unified National Coarse thread standard, while the zinc coating provides a layer of protection against environmental oxidation.
Nylock nuts are commonly used in heavy machinery to provide a secure connection for non-critical and structural assemblies where vibration is present. By utilizing a locking mechanism rather than relying solely on tension, these nuts maintain their position on the bolt or stud, which is necessary for the stability of interior machine components.

