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 6135-01-038-6225
NSN 5945-00-492-3809
NSN 5950-01-290-3967
NSN 6645-01-489-5426
NSN 5930-00-104-6148
NSN 6105-01-026-0165
NSN 5990-00-054-0512
NSN 5930-00-280-7777
NSN 2925-01-215-5022
NSN 5999-01-630-2423
NSN 6220-01-408-7785
NSN 5835-00-135-2480