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 6620-00-145-8232
NSN 6610-01-604-1330
NSN 5990-01-482-5950
NSN 6685-00-177-2563
NSN 5945-00-953-0121
NSN 6220-00-966-5074
NSN 6650-01-416-7910
NSN 5996-00-495-3086
NSN 5960-01-495-0859
NSN 6685-01-248-4463
NSN 5925-01-173-2841
NSN 6110-01-504-5907