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: Nuts of iron or steel
NSN 5990-01-562-4521
NSN 5915-01-644-0912
NSN 5975-01-264-9858
NSN 5925-01-479-4984
NSN 6135-01-415-1163
NSN 5985-00-732-8042
NSN 5998-01-403-2586
NSN 5996-01-042-3421
NSN 5960-01-573-6483
NSN 6320-01-019-1028
NSN 6105-00-050-8340
NSN 5910-00-284-6486