5310-00-950-0039 Self-Locking Nut MS21044N6

The MS21044N6 is a self-locking nut commonly used in aerospace and other demanding applications where secure fastening is critical.

• Type: Self-locking, hexagonal nut.
• Locking Mechanism: Features a nylon collar (fiber insert) that provides a friction grip on the bolt threads, preventing loosening due to vibration and thermal expansion.
• Material: Steel, cadmium-plated in accordance with QQ-P-416, Type II, Class 2.
• Thread: Fine thread with 24 threads per inch (3/8-24).
• Thread Type: UNJF (fine thread with external controlled root radius).
• Thread Class: 3B.
• Temperature Rating: Up to 250° F.
• Dimensions: Height: 0.318 to 0.469 inches; Width Across Flat: 0.553 to 0.564 inches.
• Finish: Cadmium.
• Applications: Suitable for structural applications and helicopter engines.
• Supersedes: Part numbers 404-890, 406-684, 52E064, AN365-624, and MS20365-624C.
• Approvals: FAA-PC Approved.