144426H
NUT, LOCK TYPE 8 1" UNF
Navistar International®

The lock type 8 1" UNF nut is designed for applications requiring a secure fastening solution that prevents loosening due to vibration and movement. Its unique design features a thicker body and a serrated edge, which enhances grip and stability when installed. Made from high-quality materials, this nut offers excellent resistance to corrosion and wear, ensuring a long service life in various applications. The lock type 8 1" UNF nut is suitable for use in automotive, machinery, and construction settings, where reliability and performance are essential.

Since its establishment in 1902, Navistar International Corporation has been a prominent name in the automotive industry, known for its dedication to quality and innovation. The lock type 8 1" UNF nut is designed for applications requiring a secure fastening solution that prevents loosening due to vibration and movement. Its unique design features a thicker body and a serrated edge, which enhances grip and stability when installed. Made from high-quality materials, this nut offers excellent resistance to corrosion and wear. Navistar's expertise in creating reliable components ensures that this nut is designed to withstand the rigors of automotive and machinery applications, reinforcing their reputation as a trusted manufacturer of parts that enhance performance and safety.

This part fits the following Navistar models:

• - 5000 Severe Service Conventional after 3/15/96
• - 9300 Premium Conventional
• - 9900 Premium Conventional (built on or after 3/15/96)
• - 4900 Medium Trucks (built on 5/23/97 & later)
• - 4700 Medium Trucks (built on 5/23/97 & later)
• - 5500 Severe Service Conventional
• - 5600 Severe Service Conventional
• - HV with Heavy Duty Engines
• - 8000 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 2600 Heavy Service Trucks (built on or after 1/16/98)
• - 145 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 7400 Severe Service Trucks (built on or after 7/1/01)
• - 9100 Premium Conventional
• - 7600 Severe Service Trucks after 4/1/02
• - Military - MILCOTS Canadian
• - 9200 Premium Conventional
• - 8300 Heavy Tractors before 1989
• - 5870 Severe Service before 3/15/1996
• - 9600 Premium Cabover
• - 8100 Heavy Tractors (built on or after 1/16/98)
• - 4000 Medium Trucks (built before 5/23/97)
• - 5070 Severe Service (built 1/1/1992 thru 3/14/1996)
• - 5000 Severe Service Conventional after 3/15/96
• - 8000 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 30IC 3000 IC Integrated Bus
• - 30RE 3000 RE Bus (built before 11/1/1999)

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