Slots in upper portion
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 5985-01-249-8051
NSN 6685-01-297-6219
NSN 5855-00-436-3852
NSN 7035-00-549-2722
NSN 5999-01-231-5868
NSN 5915-01-147-4830
NSN 5910-01-424-8786
NSN 6150-01-502-5575
NSN 2925-01-350-8372
NSN 4140-01-593-6670
NSN 2925-00-254-9776
NSN 5990-00-574-5777