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: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5905-01-447-8612
NSN 5945-01-557-5743
NSN 6110-01-130-1373
NSN 6130-01-120-8347
NSN 5990-01-595-4584
NSN 5945-01-421-7795
NSN 5975-01-044-6729
NSN 6110-00-826-0394
NSN 5915-01-067-8365
NSN 4140-00-829-4134
NSN 5965-01-573-7359
NSN 5895-01-348-8855