2a and b8
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 5996-01-056-4952
NSN 5985-00-703-0999
NSN 5930-01-216-4052
NSN 5996-01-446-0568
NSN 5950-00-542-1450
NSN 5960-00-469-8639
NSN 5895-01-062-4169
NSN 6150-00-876-7920
NSN 6110-00-957-3939
NSN 6620-01-500-9847
NSN 5935-01-304-7377
NSN 5910-01-370-2304