A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 6650-01-434-6434
NSN 6620-00-456-0404
NSN 6620-00-216-6416
NSN 5998-01-555-8786
NSN 6220-01-596-1414
NSN 6620-00-905-6590
NSN 6645-01-542-1472
NSN 5975-00-577-0168
NSN 2925-01-100-3694
NSN 4140-01-204-7025
NSN 5930-01-412-0481
NSN 6650-00-161-4122