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 5999-00-278-5563
NSN 6240-01-389-5901
NSN 5975-01-475-2537
NSN 5935-01-323-5804
NSN 6150-01-533-9187
NSN 5895-01-634-0630
NSN 6320-01-294-7161
NSN 5905-01-160-6189
NSN 5925-01-246-0702
NSN 6685-01-140-0487
NSN 6610-01-257-5808
NSN 5910-01-259-1974