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 5985-00-273-1650
NSN 6130-00-856-3199
NSN 5905-00-088-1005
NSN 2925-01-049-8906
NSN 5965-01-436-9507
NSN 5895-00-387-4901
NSN 5950-01-608-5667
NSN 5965-01-180-3903
NSN 5910-01-608-4412
NSN 5915-00-138-2770
NSN 6220-01-417-8835
NSN 5996-01-648-3810