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 5920-00-542-6389
NSN 6685-00-602-7209
NSN 5975-01-198-3624
NSN 6220-01-447-2229
NSN 6130-01-534-6425
NSN 6610-01-116-9276
NSN 6130-01-059-8534
NSN 5960-01-371-9143
NSN 5998-01-467-2727
NSN 5960-01-315-0676
NSN 6145-00-295-2887
NSN 5998-01-640-9619