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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5985-01-213-3549
NSN 6105-01-557-1219
NSN 5895-00-872-9168
NSN 5905-00-460-3572
NSN 4140-01-058-6602
NSN 6610-01-138-5786
NSN 6135-00-248-4102
NSN 5895-00-801-3959
NSN 6150-01-485-3181
NSN 5990-00-144-3243
NSN 6150-01-090-1631
NSN 5925-01-515-4755