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 6220-01-500-1857
NSN 5920-00-561-1309
NSN 5835-00-630-2775
NSN 4140-01-218-9013
NSN 5835-01-515-6537
NSN 5905-00-272-8503
NSN 6645-01-128-0895
NSN 5835-01-497-5029
NSN 4140-00-731-8037
NSN 6320-00-261-9136
NSN 6110-01-521-3436
NSN 6110-01-453-1611