The 55966-2812 Hexagon Self-Locking Nut is made from high-quality steel for secure fastening in aviation. Its all-metal design provides reliable locking under vibration. With a 1.750" nominal thread and 12 TPI, it meets military specs and features a castellated style for enhanced compatibility.
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Overview
Nut is a self-locking castellated hexagon type, part number 55966-2812. This nut features a right-hand thread direction and a nominal thread size of 1.750 inches. With a minimum width across flats of 2.238 inches and a maximum of 2.252 inches, it ensures secure engagement. The nut height ranges from 0.974 inches to 0.994 inches. The locking feature employs a prevailing torque all-metal design, making it suitable for applications requiring stability and resistance to loosening. The nut is designed to accommodate a thread quantity of 12 per inch and has a chamfered bearing surface type, enhancing its usability and effectiveness in various mechanical assemblies.
Features & Benefits
Supports right-hand threaded engagement
Provides a hexagonal shape for improved wrenching
Delivers a self-locking mechanism through prevailing torque
Ensures compatibility with UN thread series
Features a chamfered bearing surface for better fit
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