A nut round in shape, whose outer surface or portion(s) is/are knurled. It may have provisions for external wrenching. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 4140-01-024-9414
NSN 6130-00-242-1465
NSN 4140-00-218-3579
NSN 6130-01-506-9603
NSN 5905-00-223-3165
NSN 5960-01-018-1489
NSN 5985-01-092-8859
NSN 7035-01-145-5059
NSN 5960-01-027-6954
NSN 6110-01-024-9428
NSN 5910-00-518-4608
NSN 6240-01-215-8485