F118 engine qualified
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5920-01-461-3214
NSN 5925-00-453-6725
NSN 6150-00-188-8337
NSN 5998-01-350-4169
NSN 5990-01-503-0194
NSN 5920-01-412-8415
NSN 5930-01-234-9987
NSN 5855-01-324-3756
NSN 5835-00-912-5656
NSN 5910-00-584-4508
NSN 5996-00-350-5516
NSN 6110-00-722-8416