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 5945-00-056-5362
NSN 6240-00-237-7878
NSN 5965-01-098-1306
NSN 5905-01-417-7358
NSN 6320-01-322-8340
NSN 6685-01-632-1852
NSN 5960-01-617-6345
NSN 5935-00-239-7554
NSN 6620-00-286-5721
NSN 6620-00-877-3266
NSN 5910-00-111-3343
NSN 5925-01-085-0147