3808279C1
NUT, FLEX LOCK 1-3/8"-14 UNS
Navistar International®

The flex lock nut 1-3/8"-14 UNS is designed to provide a secure fastening solution that prevents loosening under vibration and dynamic loads. Its unique design features a nylon insert that grips the threads of the bolt, ensuring a tight connection that remains secure over time. Made from durable materials, this nut offers excellent resistance to corrosion and wear, making it suitable for use in various environments. The flex lock nut is ideal for automotive, machinery, and construction applications, where reliability and performance are essential.

Navistar International Corporation has been a trusted name in the automotive industry since 1902, known for its focus on quality and innovation in heavy-duty vehicle manufacturing. The flex lock nut 1-3/8"-14 UNS is designed to provide a secure fastening solution that prevents loosening under vibration and dynamic loads. Its unique design features a nylon insert that grips the threads of the bolt, ensuring a tight connection that remains secure over time. Constructed from durable materials, this nut offers excellent resistance to corrosion and wear, making it suitable for various environments. This part is ideal for automotive, machinery, and construction applications where reliability and performance are essential. This part reflects Navistar's commitment to engineering excellence in every product it manufactures.

This part fits the following Navistar models:

• - 7500 Severe Service Trucks (built on or after 7/1/01)
• - 7300 Severe Service Trucks after 10/1/01
• - 3200 Commercial Bus Chassis
• - RE 300 Integrated School Bus
• - 8500 Heavy Tractors
• - 4300 Medium Trucks
• - CE 200/300 Conventional Integrated Commercial Bus
• - Commercial Extreme Transport
• - 4400 Medium Trucks
• - Military - MILCOTS Canadian
• - Cutaway Commercial Bus
• - 7400 Severe Service Trucks (built on or after 7/1/01)

When searching for a secure fastening solution like the flex lock nut 1-3/8"-14 UNS, Source One Parts Center stands out as the premier choice for customers. The commitment to quality ensures that every nut is designed to prevent loosening under vibration and dynamic loads, providing a reliable connection for automotive and industrial applications. Source One's knowledgeable team is dedicated to helping you find the right part for your specific needs, offering personalized service that enhances the shopping experience. With competitive pricing and fast shipping options, Source One makes it easy to maintain your equipment without overspending. By choosing Source One, you are investing in the reliability and performance of your projects, backed by a company that prioritizes customer satisfaction.