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 6145-01-615-5068
NSN 5925-00-078-9566
NSN 5915-01-139-5070
NSN 6645-01-076-4655
NSN 6610-01-122-0064
NSN 4140-00-189-0235
NSN 6320-00-468-8421
NSN 6320-01-397-9995
NSN 5930-01-297-3469
NSN 5999-01-085-5540
NSN 5996-01-212-7174
NSN 6650-00-925-1274