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 6610-00-070-4535
NSN 5975-00-383-1384
NSN 6685-01-389-1472
NSN 5990-01-357-6175
NSN 5960-00-187-0429
NSN 6620-01-423-7300
NSN 6130-01-463-8672
NSN 5945-01-498-0790
NSN 6610-01-498-4006
NSN 5950-01-085-1258
NSN 5960-01-353-3302
NSN 5999-00-124-5097