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 4140-01-499-2153
NSN 5855-01-410-8979
NSN 5930-01-210-7759
NSN 6110-01-373-1587
NSN 6220-01-312-6329
NSN 5999-01-620-8867
NSN 6220-01-659-4146
NSN 6240-00-764-1580
NSN 5960-00-553-7338
NSN 6645-00-692-2809
NSN 7035-01-324-7796
NSN 6135-00-134-6648