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 5910-01-040-0244
NSN 5996-01-482-3929
NSN 5925-01-057-2690
NSN 6645-01-548-0218
NSN 5895-01-361-4993
NSN 5915-01-505-6106
NSN 5855-01-557-1798
NSN 6105-01-372-4410
NSN 5945-01-536-0072
NSN 5965-01-012-1065
NSN 6240-01-476-7357
NSN 6110-01-098-8273