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 5985-01-624-4398
NSN 5965-01-253-0451
NSN 5930-01-487-0612
NSN 4140-01-432-1447
NSN 5910-01-271-5368
NSN 5935-00-833-8210
NSN 5990-01-240-1100
NSN 4140-00-001-1536
NSN 5925-01-355-6523
NSN 5925-01-226-9935
NSN 5965-01-213-0338
NSN 5925-00-900-1904