456426C1
WASHER, COMPANION FLANGE NUT
Navistar International®

The washer companion flange nut is designed to provide a secure and stable connection in flange assemblies. Its innovative design features a flanged edge that helps distribute the load evenly, reducing the risk of deformation or failure under pressure. This washer is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring that it maintains its integrity even in harsh environments. The washer's dimensions are optimized for compatibility with standard flange nuts, making it an essential component for various mechanical applications where reliability is paramount.

With over a century of experience in the automotive industry, Navistar International Corporation has built a reputation for delivering high-quality products that meet the needs of various sectors. This companion flange nut washer is designed to provide a secure connection in flange assemblies, showcasing the company's expertise in creating reliable components. The innovative design features a flanged edge that distributes load evenly, reducing the risk of deformation under pressure. By focusing on durability and performance, Navistar ensures that this washer contributes significantly to the overall integrity and reliability of the mechanical systems it supports.

This part fits the following models:

• - MT-506 Propeller Shaft
• - ProStar Linehaul Conventional Premium
• - 8000 Heavy Tractors (built between 1/1/1989 and 1/16/1998)
• - 5600I Severe Service Conventional
• - 8500 Heavy Tractors
• - 9800 Premium Cabover (built before and after 1/16/98)
• - 7300 Severe Service Trucks (after 10/1/01)
• - 9300 Premium Conventional (built before 3/15/96)
• - 8300 Heavy Tractors (built before 1989)
• - 5500I Severe Service Conventional
• - 5070 Severe Service (built from 1/1/1992 thru 3/14/1996)
• - 4000 Medium and Heavy Trucks (built before 5/23/97)
• - MT-513 Transmission
• - 9100 Premium Conventional
• - 9200 Premium Conventional (built before and after 3/15/96)
• - 4900 Medium Trucks (after 5/23/97)
• - 5000 Severe Service Conventional (after 3/15/96)
• - 4400 Medium Trucks
• - ProStar Linehaul Conventional
• - 7500 Severe Service Trucks (after 7/1/01)
• - 4800 Medium Trucks (after 5/23/97)
• - 9900 Premium Conventional (built on or after 3/15/96)
• - 9600 Premium Cabover (built from 1981-1990)
• - 7600 Severe Service Trucks (after 4/1/02)
• - 2500 Heavy Service Trucks (built on or after 1/16/98)
• - 145 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 144 Medium and Heavy Trucks (built 4/1/81 thru 12/31/88)
• - 7400 Severe Service Trucks (after 7/1/01)
• - 5870 Severe Service (built before 3/15/1996)
• - 4700 Medium Trucks (after 5/23/97)
• - 9400 Premium Conventional (after 3/15/96)
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - 9700 Premium Cabover (built 1991 & later)
• - 5900I Severe Service Conventional
• - 8100 Heavy Tractors (after 1/16/98)

When it comes to sourcing essential mechanical components, Source One Parts Center stands out as the premier choice for customers. The company is committed to providing high-quality parts that meet the demands of various applications, ensuring durability and reliability. Customers appreciate the extensive inventory available, which allows them to find the exact components they need without hassle. The knowledgeable team at Source One is always ready to assist with inquiries, offering expert advice on the best options for specific needs. By choosing Source One, customers can feel confident in their purchases, knowing they are investing in quality and performance.