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 5920-00-100-7219
NSN 7035-01-369-1445
NSN 5990-00-424-1598
NSN 6135-00-753-2276
NSN 5999-01-476-7325
NSN 6685-00-724-2962
NSN 6145-01-084-8627
NSN 4140-00-596-4726
NSN 5915-01-469-7568
NSN 6645-01-529-5690
NSN 6105-01-342-5152
NSN 6220-01-468-6885