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 5835-01-382-4592
NSN 6685-00-838-7429
NSN 6110-01-305-3205
NSN 5996-01-508-4599
NSN 5985-01-539-3779
NSN 6150-01-511-0087
NSN 6135-01-277-7397
NSN 6320-00-553-8427
NSN 5950-01-175-8397
NSN 6610-01-384-5537
NSN 5930-01-464-2562
NSN 6610-01-278-9704