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 6130-01-112-7167
NSN 6240-01-528-7873
NSN 6220-01-108-3857
NSN 6105-01-469-6027
NSN 5950-01-161-8198
NSN 5910-01-336-4273
NSN 6650-01-148-5307
NSN 6620-01-133-4193
NSN 6320-01-608-1935
NSN 5996-01-441-5798
NSN 6620-00-959-6614
NSN 4140-01-250-2600