A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6610-01-394-3808
NSN 6110-01-254-1562
NSN 6240-01-598-5733
NSN 5910-00-353-0925
NSN 5998-01-042-1159
NSN 5895-00-990-9047
NSN 5895-01-319-3295
NSN 6685-01-599-4130
NSN 6650-00-557-5482
NSN 6685-01-465-4601
NSN 6320-01-544-2799
NSN 6240-01-431-0792