F118 engine qualified
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 5975-00-835-2213
NSN 6220-00-876-2931
NSN 6130-01-367-4582
NSN 7035-00-200-5162
NSN 5925-01-429-7699
NSN 7035-01-606-9591
NSN 5905-01-535-2967
NSN 5930-01-065-2286
NSN 5998-01-056-4956
NSN 5925-00-001-7446
NSN 5920-01-073-3334
NSN 5975-01-361-8080