Locking element is effective up to +250 degrees f
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 6620-00-164-1493
NSN 5960-00-257-4203
NSN 6620-00-939-8902
NSN 5935-00-554-0244
NSN 5910-00-148-4886
NSN 5990-01-510-1430
NSN 2925-00-998-3510
NSN 6685-01-241-5824
NSN 6645-01-219-5911
NSN 6135-00-935-8769
NSN 6620-00-009-0904
NSN 5999-01-111-0881