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 5975-00-804-1489
NSN 2925-01-464-3093
NSN 6620-01-106-2814
NSN 5910-00-967-4269
NSN 5915-00-252-1876
NSN 6620-01-330-2658
NSN 6110-01-211-6002
NSN 5910-01-457-7489
NSN 2925-00-596-9775
NSN 6620-01-177-5567
NSN 6220-01-310-2513
NSN 5999-01-072-1345