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 5998-00-439-6205
NSN 6610-01-010-4516
NSN 6145-01-460-9225
NSN 5905-01-025-1329
NSN 5990-00-145-1187
NSN 5925-01-323-6491
NSN 6650-00-127-3010
NSN 5935-01-512-3272
NSN 5895-01-052-4877
NSN 6620-01-441-0240
NSN 6320-00-433-2773
NSN 6135-01-327-2092