Nut no.4-40
No other part numbers with same form, fit, and function found.
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.)
NSN 5910-01-546-6582
NSN 2925-00-118-4887
NSN 6135-00-087-5300
NSN 5915-00-086-2425
NSN 5999-00-142-9629
NSN 2925-00-455-2367
NSN 6105-01-439-1780
NSN 5930-01-526-6344
NSN 5925-01-424-2963
NSN 6135-01-370-2599
NSN 6110-00-263-6664
NSN 5965-01-265-2980