Chromic acid dipped
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 5905-01-310-5999
NSN 5996-01-511-2138
NSN 5855-00-149-0766
NSN 5999-00-904-4210
NSN 6610-01-519-3080
NSN 5930-00-168-2749
NSN 5925-01-364-0771
NSN 5998-01-395-8267
NSN 5910-00-366-6900
NSN 5905-01-359-6299
NSN 6220-00-456-2911
NSN 6150-01-344-3210