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 6650-01-428-6799
NSN 5999-00-184-8202
NSN 6110-01-194-4078
NSN 6110-00-099-7113
NSN 2925-00-596-9775
NSN 6610-01-425-1523
NSN 2925-01-290-8208
NSN 7035-01-400-3666
NSN 7035-01-216-4806
NSN 5835-01-268-1924
NSN 6110-00-341-2080
NSN 6150-00-265-7799