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 5985-00-079-8671
NSN 5996-01-090-4683
NSN 5855-01-611-2113
NSN 6220-01-565-5572
NSN 5925-01-097-4925
NSN 5960-01-468-4407
NSN 6610-00-520-6193
NSN 5945-01-420-5588
NSN 6610-01-555-8364
NSN 5950-00-630-0377
NSN 6220-00-225-8345
NSN 6650-01-555-8349