Safety critical thread per federal standard h28/20 system 22
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.)
Classification: Articles of aluminum nesoi
NSN 5965-01-376-1012
NSN 5975-00-183-7693
NSN 6150-01-361-4808
NSN 5835-01-472-5239
NSN 6620-01-397-4131
NSN 6135-00-027-3914
NSN 5965-00-820-0469
NSN 6645-00-739-6718
NSN 6135-01-132-6310
NSN 5905-00-964-2147
NSN 5835-00-980-0468
NSN 5998-01-434-4438