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 6135-01-293-3066
NSN 5915-01-128-1814
NSN 5950-01-160-6280
NSN 5999-01-462-6241
NSN 2925-00-928-0045
NSN 6220-01-536-0591
NSN 5965-01-516-6854
NSN 6685-01-059-2745
NSN 5975-01-456-6885
NSN 6320-00-593-0379
NSN 5950-00-156-2220
NSN 5975-01-480-4586