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 2925-01-495-1178
NSN 5965-01-619-0258
NSN 6685-01-455-8172
NSN 5895-01-249-6141
NSN 6240-01-244-0709
NSN 6135-00-862-5736
NSN 6110-01-005-1242
NSN 6685-01-532-7050
NSN 5945-01-410-7667
NSN 6135-01-525-6979
NSN 5985-01-578-5908
NSN 5905-00-111-2214