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 6150-01-185-1862
NSN 4140-01-234-1187
NSN 6685-00-167-3801
NSN 6685-01-605-1491
NSN 6110-00-492-1167
NSN 2925-00-735-4979
NSN 6135-01-458-0631
NSN 5999-01-347-8115
NSN 5999-01-432-0133
NSN 6150-01-354-3946
NSN 5925-00-905-5135
NSN 5935-01-520-3453