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 6110-00-542-2202
NSN 6685-00-984-4283
NSN 5975-00-849-2953
NSN 5905-00-019-6485
NSN 6145-00-228-6756
NSN 6320-01-106-4414
NSN 6105-01-468-8787
NSN 7035-00-445-9657
NSN 5985-00-444-5289
NSN 5915-01-272-4182
NSN 6645-00-397-2210
NSN 5990-00-498-5934