20268R1
NUT, LOCK 7/8" UNF
Navistar International®

The lock nut 7/8" UNF is designed to provide a secure fastening solution for various applications. This nut features a unique locking mechanism that prevents loosening due to vibrations, making it ideal for use in high-stress environments. Its robust construction ensures durability and resistance to wear, ensuring that it maintains its integrity over time. The precision threading allows for easy installation and a snug fit, preventing any potential leaks that could disrupt system performance. Additionally, the nut is treated with corrosion-resistant materials to enhance its longevity and maintain performance over time.

With a storied history in the commercial vehicle sector, Navistar International Corporation has become a leader in the development of high-quality components. The company’s expertise in fastening solutions is exemplified by this lock nut, designed to provide secure fastening in various applications. Its unique locking mechanism prevents loosening due to vibrations, making it ideal for high-stress environments. Constructed from durable materials, it ensures longevity and resistance to wear. By prioritizing quality and functionality, Navistar continues to deliver products that enhance the overall performance and reliability of vehicles across diverse applications.

Models compatible with this part number include:

• - 144 Medium and Heavy Trucks (built from 4/1/81 to 12/31/88)
• - 4000 Medium Trucks (built before 5/23/97)
• - 5070 Severe Service (built from 1/1/1992 to 3/14/1996)
• - 8000 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 4900 Medium Trucks (built on or after 5/23/97)
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - 7600 Severe Service Trucks (built on or after 4/1/02)
• - 5600I Severe Service Conventional
• - 5000 Severe Service Conventional (built on or after 3/15/96)
• - 4800 Medium Trucks (built on or after 5/23/97)
• - 502 MT-502 Front Axle
• - 2500 Heavy Service Trucks (built on or after 1/16/98)
• - MIL Military
• - 7300 Severe Service Trucks (built on or after 10/1/01)
• - 145 Medium and Heavy Trucks (built from 4/1/81 to 12/31/88)
• - 8100 Heavy Tractors (built on or after 1/16/98)
• - 9300 Premium Conventional (built before and on or after 3/15/96)
• - 9600 Premium Cabover (built from 1981 to 1990)
• - 9800 Premium Cabover (built on 1/16/98 & later)
• - 30IS Amtran Genesis/FC Bus (built before 1/1/1999)
• - 30FE IC Bus FE Series (built on 11/1/99 & later)
• - 30IC IC Integrated Bus
• - 30RE Amtran RE Bus (built before 11/1/1999)
• - 4200 Medium Trucks
• - 30IS Amtran Genesis/FC Bus (built before 1/1/1999)
• - 30FE IC Bus FE Series (built on 11/1/99 & later)
• - 30IC IC Integrated Bus
• - 30RE Amtran RE Bus (built before 11/1/1999)
• - 4200 Medium Trucks
• - 30IS Amtran Genesis/FC Bus (built before 1/1/1999)
• - 30FE IC Bus FE Series (built on 11/1/99 & later)
• - 30IC IC Integrated Bus
• - 30RE Amtran RE Bus (built before 11/1/1999)
• - 4200 Medium Trucks
• - 30IS Amtran Genesis/FC Bus (built before 1/1/1999)
• - 30FE IC Bus FE Series (built on 11/1/99 & later)
• - 30IC IC Integrated Bus

For secure fastening solutions, Source One Parts Center is the best place to find quality lock nuts. Our lock nut is designed to provide a secure connection in various applications, preventing loosening due to vibrations. We prioritize quality in every product we offer, sourcing components from reputable manufacturers to ensure durability and performance. Our knowledgeable staff is here to assist you in selecting the right lock nut for your specific needs, and our commitment to customer service ensures a smooth purchasing experience. With competitive pricing and fast shipping options, Source One is dedicated to providing you with the best solutions for your fastening needs.