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 6130-01-649-9292
NSN 5910-01-255-6136
NSN 6240-01-416-3713
NSN 5905-01-401-5325
NSN 6145-00-500-5679
NSN 5985-00-133-5802
NSN 5985-01-525-2107
NSN 6105-01-119-8515
NSN 6645-01-243-0468
NSN 5960-01-495-0859
NSN 5996-01-258-7356
NSN 6135-01-220-7193