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 5999-00-647-4999
NSN 6645-01-218-5234
NSN 6220-01-032-3684
NSN 6645-01-188-2918
NSN 5925-01-562-1980
NSN 6130-01-054-3751
NSN 5998-01-300-2914
NSN 6685-01-375-5571
NSN 5910-01-051-1775
NSN 5975-01-281-7270
NSN 5990-00-333-6210
NSN 6220-00-197-9719