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 6220-01-037-8793
NSN 6685-00-892-2454
NSN 5945-01-098-7262
NSN 6105-00-141-5598
NSN 6240-00-297-3919
NSN 6220-01-142-8449
NSN 6220-01-523-0869
NSN 6105-00-939-5427
NSN 6320-01-067-0474
NSN 5925-01-425-2326
NSN 7035-01-199-6915
NSN 6145-01-312-4990