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 5999-00-661-0954
NSN 6685-01-655-5662
NSN 6320-00-284-1524
NSN 7035-01-508-6447
NSN 6145-00-388-9084
NSN 5998-01-387-3056
NSN 5998-01-343-0253
NSN 5910-00-021-6448
NSN 6145-01-094-5146
NSN 6145-01-218-3339
NSN 6220-00-131-6582
NSN 6105-01-542-0540