25077R1
NUT, LOCK 5/16" UNC
Navistar International®

The lock nut 5/16" UNC is engineered for secure fastening in a variety of applications. Its unique design features a locking mechanism that prevents loosening due to vibrations, making it ideal for high-stress environments. The hexagonal shape allows for easy installation and removal using standard tools, while the durable material ensures resistance to corrosion and wear. This nut is suitable for use in automotive, industrial, and construction applications, where reliability and performance are critical. The 5/16" UNC threading ensures compatibility with standard bolts, making it a versatile option for both professionals and DIY enthusiasts.

This product is manufactured by a leading company known for its commitment to quality and innovation in the fastening industry. The manufacturer employs rigorous testing and quality assurance processes to ensure that each nut meets industry standards. Their dedication to customer satisfaction is reflected in the performance and reliability of their products, including the lock nut 5/16" UNC. With a strong reputation for excellence, the manufacturer is a trusted choice among professionals seeking reliable fastening solutions.

Models compatible with this part number:

• - 7400 Severe Service Truck (built on or after 7/1/01)
• - 144 Medium Truck (built from 4/1/81 to 12/31/88)
• - 9300 Premium Conventional (built before 3/15/96)
• - 9700 Premium Cabover (built from 1991 & later)
• - 3000 Bus Chassis (built on or after 5/23/97)
• - 5000 Severe Service Conventional (built on or after 3/15/96)
• - 5070 Severe Service (built from 1/1/1992 to 3/14/1996)
• - 5900 Severe Service Conventional
• - 145 Medium Truck (built from 4/1/81 to 12/31/88)
• - 5500 Severe Service Conventional
• - 9400 Premium Conventional (built on or after 3/15/96)
• - 9900 Premium Conventional (built on or after 3/15/96)
• - 9800 Premium Cabover (built on or after 1/16/98)
• - 5870 Severe Service (built before 3/15/1996)
• - 8000 Heavy Tractor (built from 1/1/1989 to 1/16/1998)
• - 7600 Severe Service Truck (built on or after 4/1/02)
• - 7300 Severe Service Truck (built on or after 10/1/01)
• - 9200 Premium Conventional (built before 3/15/96)
• - 30RE Amtran RE Bus (built before 11/1/1999)
• - 30IC 3000 IC Integrated Bus
• - 30FE 3000 IC Bus FE Series Bus (built on or after 11/1/99)
• - 30IS Amtran Genesis/FC Bus (built before 1/1/1999)

When it comes to securing components, Source One Parts Center is the best option for purchasing a lock nut. Our commitment to quality ensures that every part we offer is engineered to withstand the rigors of automotive applications. These nuts are designed to provide a secure fastening solution, preventing loosening due to vibrations. Our knowledgeable staff is always on hand to assist you in selecting the right components for your specific needs, ensuring a smooth purchasing experience. With competitive pricing and a focus on customer satisfaction, Source One is your trusted source for automotive fasteners.