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 6105-00-971-2033
NSN 5930-01-046-3762
NSN 5935-01-535-6950
NSN 5990-01-503-0194
NSN 5999-00-636-7234
NSN 6220-00-945-0806
NSN 5975-01-444-3424
NSN 6650-01-099-4340
NSN 5910-01-014-6639
NSN 5910-01-226-4106
NSN 4140-01-114-5351
NSN 6220-01-297-2735