Used on a wheel lug; counter terrorist assault platform
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.)
NSN 6685-01-296-3917
NSN 6145-01-150-1557
NSN 5905-01-264-7266
NSN 5835-00-811-4554
NSN 5990-01-591-8797
NSN 5950-00-108-4928
NSN 5990-01-386-5561
NSN 5910-01-134-5114
NSN 4140-00-955-5679
NSN 5945-00-934-9045
NSN 5985-01-345-2907
NSN 6110-01-607-7156