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 5999-01-408-6213
NSN 6220-01-421-3335
NSN 6610-01-506-7887
NSN 7035-01-571-1075
NSN 7035-01-434-1986
NSN 6135-01-633-8502
NSN 5985-01-596-6855
NSN 5905-00-004-7655
NSN 6135-01-562-6582
NSN 6610-01-474-8520
NSN 5925-00-334-4048
NSN 6135-01-392-8344