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 5960-01-406-4136
NSN 6110-01-438-7439
NSN 5965-01-061-6871
NSN 5996-01-408-9796
NSN 6135-00-519-1325
NSN 6620-01-065-8265
NSN 5950-00-733-5022
NSN 5905-00-244-2506
NSN 4140-01-584-5298
NSN 5855-01-249-0717
NSN 5915-00-525-5753
NSN 5905-01-176-4459