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.
NSN 5960-01-086-9650
NSN 6650-01-548-3495
NSN 6240-01-285-5688
NSN 6150-01-130-6646
NSN 5960-01-195-2166
NSN 5935-00-115-8760
NSN 5855-01-430-9689
NSN 5915-00-389-1126
NSN 2925-00-332-1361
NSN 5925-00-554-4114
NSN 6105-01-374-8558
NSN 6145-01-061-5921