A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
Classification: Nuts of iron or steel
NSN 5930-01-412-8416
NSN 5945-01-250-2518
NSN 6135-01-296-1860
NSN 6620-01-632-9143
NSN 6645-00-226-2270
NSN 5965-01-419-8200
NSN 7035-01-391-7470
NSN 6650-01-094-2010
NSN 5915-01-017-8217
NSN 5925-01-254-4383
NSN 5930-01-246-0512
NSN 5975-01-652-7499