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 5950-01-581-3246
NSN 5975-01-391-5981
NSN 5999-01-560-9336
NSN 2925-00-246-3077
NSN 5915-00-532-7023
NSN 5960-00-883-8183
NSN 5985-01-029-5209
NSN 5965-00-941-4957
NSN 5996-01-660-2811
NSN 5915-00-335-6336
NSN 5965-01-385-7813
NSN 5998-01-395-7484