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 6135-01-645-4653
NSN 6110-00-175-3661
NSN 5965-01-246-6162
NSN 6685-00-754-4111
NSN 5925-01-539-9014
NSN 6150-00-596-9882
NSN 5965-00-757-3403
NSN 6645-01-326-4572
NSN 6145-00-038-3369
NSN 5960-01-175-9880
NSN 5960-00-332-7539
NSN 6135-00-942-7970