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 6240-01-521-6889
NSN 5915-01-432-0324
NSN 6685-01-161-5025
NSN 2925-01-111-2927
NSN 5895-01-466-4780
NSN 5985-00-397-7296
NSN 5996-01-528-7850
NSN 6110-00-359-5571
NSN 6685-01-276-5400
NSN 6610-00-454-6635
NSN 5985-00-828-9636
NSN 6105-00-153-0238