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 6320-01-384-3850
NSN 6685-01-532-1409
NSN 5975-01-357-2027
NSN 5915-01-534-3397
NSN 6620-01-440-9810
NSN 6240-00-351-8564
NSN 5965-00-177-2932
NSN 5960-01-641-5493
NSN 4140-01-285-8753
NSN 6650-01-577-1784
NSN 6320-00-546-9249
NSN 5950-01-499-4787