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 6645-01-485-3517
NSN 6150-01-416-7806
NSN 6240-01-269-0375
NSN 5998-01-469-1537
NSN 6610-00-526-4394
NSN 6685-01-406-5348
NSN 6620-01-371-1655
NSN 5990-01-608-3505
NSN 5920-01-467-2079
NSN 5835-01-293-6453
NSN 6320-00-098-2858
NSN 6105-01-387-0813