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 5855-01-619-9161
NSN 6220-00-034-7280
NSN 7035-01-411-6062
NSN 5960-01-504-3415
NSN 5835-01-412-6901
NSN 5910-01-420-5794
NSN 5975-00-377-0650
NSN 5960-01-481-8051
NSN 5965-01-423-8543
NSN 5990-00-402-7721
NSN 5990-00-522-3425
NSN 6645-01-184-5065