Head markings indented at 120.0 degrees
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.
Classification: Nuts of iron or steel
NSN 6685-01-113-8005
NSN 6620-01-250-1692
NSN 5975-00-034-4243
NSN 5935-01-392-9030
NSN 2925-01-652-7564
NSN 5960-01-649-1341
NSN 6135-01-327-2092
NSN 5935-01-436-4914
NSN 6130-01-234-4549
NSN 6620-01-236-0138
NSN 5905-01-409-1942
NSN 6610-01-062-8557