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 6130-01-492-7549
NSN 6645-00-873-4642
NSN 6320-00-994-0179
NSN 7035-01-593-1719
NSN 5998-01-367-6718
NSN 5915-01-633-9845
NSN 6220-00-449-6016
NSN 6145-01-534-7659
NSN 5990-01-036-5602
NSN 5935-00-006-1283
NSN 5855-01-634-0259
NSN 6145-01-009-6790