9413984
NUT, LOCK 7/8" UNC

15 Pack

Navistar International®

This lock nut, designed for 7/8" UNC applications, features a unique design that prevents loosening due to vibration and dynamic loads. The nut's construction includes a nylon insert that grips the bolt threads, providing a secure hold even in challenging environments. Its hexagonal shape allows for easy installation and removal with standard tools, making it a practical choice for various mechanical assemblies. The lock nut is manufactured from high-strength materials, ensuring durability and resistance to wear, making it suitable for automotive and industrial applications where reliability is crucial.

With a legacy spanning over a century, Navistar International Corporation has established itself as a leader in the automotive industry, known for its commitment to quality and innovation. The company has built a strong reputation for producing reliable components that enhance vehicle performance and safety. The lock nut designed for 7/8" UNC applications exemplifies Navistar's expertise in creating fastening solutions that prevent loosening due to vibration. This nut's unique design ensures a secure hold even in challenging environments, making it an essential component for automotive and industrial applications. Navistar's engineering team focuses on durability and reliability, ensuring that this lock nut meets the high standards expected by professionals. By integrating advanced materials and innovative design, Navistar continues to provide solutions that enhance the safety and performance of vehicles.

This part fits the following models:

• - 503 MT-503 Suspension Chassis
• - 8000 Heavy Tractors (from 1/1/1989 to 1/16/1998)
• - 4900 Medium Trucks (built on 5/23/97 & later)
• - 5500I Severe Service Conventional
• - 9100 Premium Conventional
• - 4000 Stripped Chassis (built before 5/23/97)
• - 9600 Premium Cabover (built from 1981-1990)
• - 5070 Severe Service (built from 1/1/1992 thru 3/14/1996)
• - 144 Medium and Heavy Trucks (built 4/1/81 thru 12/31/88)
• - 5600I Severe Service Conventional
• - 5900I Severe Service Conventional
• - 9200 Premium Conventional (built before 3/15/96)
• - 9700 Premium Cabover
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - 5000 Severe Service Conventional (after 3/15/96)
• - 9300 Premium Conventional
• - 2500 Heavy Service Trucks (built on or after 1/16/98)
• - MIL Military
• - 9400 Premium Conventional (after 3/15/96)
• - 145 Medium Trucks (built 4/1/81 thru 12/31/88)

At Source One Parts Center, we take pride in providing high-quality lock nuts that enhance the reliability of mechanical assemblies. Our lock nuts are designed to prevent loosening due to vibration and dynamic loads, ensuring a secure hold in various applications. We understand the importance of durability, which is why we source our products from reputable manufacturers who meet stringent quality standards. Our experienced team is dedicated to helping you find the right lock nut for your specific needs, making your shopping experience smooth and efficient. With competitive pricing and a strong focus on customer satisfaction, Source One is the best place to purchase your lock nuts.