25950R1
NUT, JAM TYPE 8 5/8" UNF
Navistar International®

The jam type 8 5/8 UNF nut is engineered to provide a secure fastening solution that is resistant to loosening under dynamic loads. Its unique jam design allows for quick and easy installation, while ensuring a tight grip on the bolt, making it ideal for applications where vibration is a concern. Made from high-quality materials, this nut offers excellent durability and resistance to corrosion, ensuring a long service life even in challenging environments. Its compact design allows for use in tight spaces, providing versatility in various mechanical assemblies.

Navistar's commitment to quality and innovation is evident in its extensive history of producing reliable components for heavy-duty vehicles. The jam type 8 5/8 UNF nut is engineered to provide a secure fastening solution resistant to loosening under dynamic loads. Its unique jam design allows for quick and easy installation while ensuring a tight grip on the bolt, making it ideal for applications where vibration is a concern. Made from high-quality materials, this nut offers excellent durability and resistance to corrosion, ensuring a long service life even in challenging environments, thereby enhancing the overall integrity of mechanical assemblies.

This part fits the following models:

• - 9800 Premium Cabover (built on or after 1/16/98)
• - 7300 Severe Service Trucks (built on or after 10/1/01)
• - 4000 Medium Trucks (built before 5/23/97)
• - 8500 Heavy Tractors
• - MIL Military
• - 9900 Premium Conventional (built on or after 3/15/96)
• - 502 MT-502 Front Axle
• - 5000 Severe Service Conventional (built on or after 3/15/96)
• - 4900 Medium Trucks (built on or after 5/23/97)
• - RH Regional Haul
• - APRO Australian ProStar S
• - 4300 Medium Trucks
• - 7700 Severe Service Trucks (built on or after 12/15/03)
• - PRO ProStar Linehaul Conventional
• - 4700 Medium Trucks (built on or after 5/23/97)
• - 1000 1652-UPS Stripped Chassis (built before 11/1/99)
• - 9600 Premium Cabover (built from 1981 to 1990)
• - 8000 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 5900I Severe Service Conventional
• - 7300 Severe Service Trucks (built on or after 10/1/01)
• - 4400 Medium Trucks
• - 30IC 3000 IC Integrated Bus
• - 30FE 3000 IC Bus FE Series Bus (built after 11/1/99)
• - 30IS AMTRAN Genesis/FC Bus (built before 1/1/1999)
• - 30RE Amtran RE Bus (built before 11/1/1999)
• - 30IC 3000 IC Integrated Bus

When sourcing a jam type 8 5/8 UNF nut, Source One Parts Center stands out as the premier choice for quality and reliability. This component is designed to provide a secure fastening solution that is resistant to loosening under dynamic loads. Source One specializes in high-quality fasteners that are engineered to meet rigorous standards, ensuring that you can trust the durability of your purchase. Their knowledgeable staff is always available to assist you in finding the right part for your specific application, enhancing your overall purchasing experience and ensuring that your vehicle operates at peak performance.