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 6130-00-277-4402
NSN 5915-01-091-5808
NSN 6610-01-331-4174
NSN 5999-01-429-1238
NSN 6110-01-252-3876
NSN 6135-01-347-0201
NSN 6320-01-039-5891
NSN 5985-00-038-8328
NSN 6220-00-137-2485
NSN 5920-00-554-0437
NSN 6685-00-456-2385
NSN 5996-01-148-1252