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 5985-00-247-0413
NSN 6135-01-286-9563
NSN 6320-00-977-3930
NSN 6110-00-005-7878
NSN 5960-00-233-7537
NSN 5990-01-144-4674
NSN 6610-00-161-0680
NSN 5945-01-545-4324
NSN 5998-00-754-8666
NSN 6685-00-015-3192
NSN 5950-01-037-0878
NSN 5895-01-448-9587