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 5985-01-344-6488
NSN 6135-01-529-8523
NSN 6320-01-547-2743
NSN 7035-00-585-2113
NSN 5905-01-143-9679
NSN 5895-01-180-3159
NSN 5998-01-652-9801
NSN 6150-01-181-1270
NSN 5960-01-031-7992
NSN 6150-01-056-1324
NSN 5985-01-569-7862
NSN 6240-01-465-1355