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 5965-00-164-8092
NSN 6150-01-477-7867
NSN 6650-00-468-8071
NSN 4140-00-632-1332
NSN 5950-01-268-6856
NSN 6685-00-318-7766
NSN 6220-00-200-7888
NSN 6105-00-045-3700
NSN 5965-01-448-1174
NSN 5990-00-703-4926
NSN 6650-01-337-0657
NSN 6145-00-255-1480