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 7035-00-731-8729
NSN 6110-01-333-1741
NSN 4140-00-147-5864
NSN 6620-01-401-5356
NSN 5998-01-602-4823
NSN 6650-01-308-3689
NSN 2925-00-127-7828
NSN 5915-01-421-1818
NSN 5910-01-658-4313
NSN 5960-01-224-7151
NSN 5990-00-133-7734
NSN 5895-00-793-5201