A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5855-00-962-5792
NSN 6135-00-152-8729
NSN 6220-01-091-2470
NSN 5999-01-495-1940
NSN 5998-00-933-2508
NSN 5925-01-150-1830
NSN 6220-00-560-4012
NSN 6145-01-527-0953
NSN 6105-00-479-8991
NSN 6685-01-505-6571
NSN 7035-01-347-3617
NSN 5996-01-562-2370