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: Nuts of iron or steel
NSN 6320-01-377-0033
NSN 4140-01-213-9199
NSN 5999-01-328-5515
NSN 6650-01-053-1816
NSN 5998-00-240-8650
NSN 5835-01-131-2027
NSN 5905-01-558-9800
NSN 6610-01-213-8589
NSN 6620-00-286-5721
NSN 6650-00-416-2953
NSN 6240-01-133-9596
NSN 5835-01-360-2657