Two drive points, at 180 degree angle, have been omitted
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 4140-00-225-8586
NSN 6620-01-346-9340
NSN 6110-00-542-2202
NSN 6150-00-731-4453
NSN 6150-01-394-1359
NSN 5925-00-957-9894
NSN 5996-01-524-7723
NSN 6220-01-422-3602
NSN 5905-01-143-8369
NSN 6320-00-228-5678
NSN 6135-01-190-2628
NSN 6240-01-322-4887