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 6685-00-839-6422
NSN 6240-00-102-4003
NSN 6645-01-108-7904
NSN 5905-00-253-3461
NSN 6685-01-626-2091
NSN 5855-00-494-9581
NSN 5999-00-278-5563
NSN 5975-01-429-8609
NSN 5920-01-393-5460
NSN 5975-00-135-6607
NSN 5965-01-173-2486
NSN 5855-00-014-5008