A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6220-00-064-9559
NSN 5985-00-925-1139
NSN 6620-01-435-8672
NSN 5960-01-601-5565
NSN 5895-01-578-5697
NSN 5935-00-948-9625
NSN 6685-01-557-7742
NSN 6135-01-598-9890
NSN 5950-01-413-0793
NSN 5930-01-618-6387
NSN 5910-00-107-7330
NSN 5996-01-432-1145