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 6685-01-301-7318
NSN 5905-00-931-8843
NSN 5950-00-419-1907
NSN 5996-01-271-8034
NSN 5985-01-212-3931
NSN 5985-01-644-9128
NSN 5965-00-100-1291
NSN 5915-01-041-5871
NSN 6105-01-376-4383
NSN 5975-01-463-9050
NSN 6220-00-754-3452
NSN 7035-00-803-3056