Jet Nut, NAS1804 Series, 12-Point, Low Profile, Black Moly

A special type of all metal self-locknut that is commonly used in aerospace and racing. They are widely used in limited space applications where wrench access can be a problem. On average, these lock nuts are 63% lighter than average AN365 nylon nuts and withstand temperatures to 450 degrees. Coated in black moly film lube.