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 5996-01-442-7481
NSN 5999-01-424-6273
NSN 5998-00-593-1457
NSN 6240-00-322-9928
NSN 6150-01-141-6604
NSN 6105-01-390-6386
NSN 6105-00-010-9803
NSN 6220-00-789-8815
NSN 6320-00-593-0379
NSN 5996-00-909-5466
NSN 5855-00-482-9876
NSN 5910-00-399-0734