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 6685-00-252-3057
NSN 5965-00-469-5009
NSN 5950-01-303-8805
NSN 7035-00-442-1869
NSN 6320-00-519-0770
NSN 6645-01-171-0187
NSN 6110-01-406-4492
NSN 6150-01-581-5693
NSN 6610-01-622-4326
NSN 5920-01-076-2679
NSN 5905-00-106-2299
NSN 5998-00-249-0143