TruRyde® 7/8"-9 Top Lock Nut - FA-6-111

The TruRyde® 7/8"-9 Top Lock Nut (Part #FA-6-111) is a heavy-duty prevailing torque lock nut designed for use with 7/8" shackle bolts in trailer leaf spring suspension systems. This top lock nut features a deformed thread section at the top that creates strong resistance to loosening caused by vibration and road shock.

Part Number: FA-6-111, Sold Individually. TruRyde® Nut, Top Lock, Plain 7/8"–9.

Key Features

• Part Number: FA-6-111
• Reference: 78SLNE
• Brand: TruRyde®
• Description: Nut, Top Lock, Plain 7/8"–9
• Thread Size: 7/8"-9 (Coarse Thread)
• Type: Top Lock Nut
• Finish: Plain
• Locking Style: Prevailing torque design with deformed threads at the top of the nut
• Application: Securing shackle bolts in leaf spring suspension systems
• Performance: Provides reliable resistance to vibration and loosening without the need for a cotter pin in many applications
• Construction: High-strength steel for durability under heavy loads

This top lock nut is commonly paired with 7/8" lube shackle bolts on utility trailers, boat trailers, cargo trailers, and other vehicles equipped with leaf spring suspensions. It offers a clean and dependable locking solution that helps maintain proper torque over time.

Questions about this TruRyde top lock nut or compatibility with your shackle bolts? Call our trailer experts at 1-800-866-3336.

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