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 5855-00-688-9954
NSN 5960-01-589-6846
NSN 6220-00-230-0807
NSN 5950-00-420-1653
NSN 6220-01-233-7456
NSN 5990-01-642-5748
NSN 5945-00-877-0307
NSN 5835-01-313-7054
NSN 4140-01-498-2651
NSN 2925-01-506-6975
NSN 2925-00-233-5644
NSN 6620-00-946-8060