Material is stainless steel
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.)
NSN 5999-01-208-7943
NSN 5835-00-876-4544
NSN 6650-00-299-9681
NSN 6105-00-326-5081
NSN 6240-01-426-2190
NSN 5895-01-610-0041
NSN 2925-01-446-6523
NSN 6150-01-313-5474
NSN 6145-01-604-1260
NSN 6135-00-683-0536
NSN 7035-00-541-8516
NSN 5996-01-040-1652