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 6135-01-517-5058
NSN 5960-00-343-0852
NSN 6145-00-170-7947
NSN 5895-01-431-7349
NSN 6105-00-914-3775
NSN 6650-01-233-0016
NSN 5985-01-293-6571
NSN 5998-00-507-3765
NSN 5950-00-983-8044
NSN 5945-00-051-0684
NSN 5935-00-449-6794
NSN 6685-01-544-8440