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 6620-00-863-4639
NSN 5925-01-392-1189
NSN 5855-00-323-0967
NSN 6610-00-740-7103
NSN 6620-01-169-2406
NSN 6105-01-064-5602
NSN 5915-01-029-8343
NSN 5910-01-379-8264
NSN 5960-01-648-1872
NSN 6650-01-258-5871
NSN 6135-00-932-3136
NSN 6110-00-123-1793