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 6145-01-177-7577
NSN 5985-01-377-5264
NSN 5999-01-427-3702
NSN 6220-01-089-6220
NSN 6320-01-441-2438
NSN 6240-01-558-2221
NSN 6145-01-586-0681
NSN 5930-01-350-5715
NSN 5975-01-346-1681
NSN 5910-00-292-0048
NSN 5895-01-487-6015
NSN 5965-01-449-1101