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 6220-00-079-4840
NSN 5910-01-487-8330
NSN 6145-00-959-0097
NSN 6650-01-232-4243
NSN 6105-01-223-1461
NSN 5950-01-476-8851
NSN 5920-00-454-4263
NSN 6220-00-127-8901
NSN 6650-01-574-4934
NSN 5905-01-382-6318
NSN 6220-01-534-6695
NSN 5855-00-237-4088