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 5960-00-688-7510
NSN 2925-01-290-7060
NSN 5925-01-298-8120
NSN 6130-00-284-1629
NSN 6320-01-652-3806
NSN 5996-01-185-9733
NSN 5998-01-048-4243
NSN 6220-01-118-3976
NSN 5965-01-605-3878
NSN 5999-01-170-7702
NSN 5990-01-102-5699
NSN 5925-01-407-5954