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 6610-00-736-9117
NSN 6130-00-405-0402
NSN 5975-00-007-1925
NSN 5990-01-395-4194
NSN 5985-00-840-7104
NSN 4140-00-378-3399
NSN 5950-01-514-7766
NSN 5905-00-238-5861
NSN 5985-01-045-3160
NSN 5990-01-183-1897
NSN 6150-00-484-8976
NSN 5910-01-290-6625