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 5920-01-351-2193
NSN 6645-01-191-5081
NSN 6135-01-300-8455
NSN 6240-00-941-5211
NSN 5835-01-281-7281
NSN 6135-01-383-0151
NSN 5975-00-842-3350
NSN 6240-01-312-9158
NSN 5855-01-088-8700
NSN 6620-01-141-5747
NSN 4140-01-240-3300
NSN 5895-01-502-6988