Color black
A nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).
Classification: Nuts of iron or steel
NSN 6320-01-512-2031
NSN 6620-00-890-5581
NSN 5999-01-106-5426
NSN 5925-00-217-6381
NSN 5945-00-785-8562
NSN 5996-01-580-0582
NSN 6105-00-553-8943
NSN 4140-01-525-7692
NSN 6105-01-064-5602
NSN 5910-01-172-2467
NSN 5960-01-412-0619
NSN 5960-01-320-3362