Max surface finish, all surfaces 125 microinch aa, countersink id t0 0.812 in. Diameter on each side
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 6135-01-255-9129
NSN 6130-00-618-2712
NSN 5999-01-319-3345
NSN 6650-00-224-3223
NSN 4140-01-418-1894
NSN 5915-01-493-5067
NSN 6135-00-125-5265
NSN 6130-00-496-0549
NSN 6240-01-545-7740
NSN 5990-00-269-0499
NSN 6150-01-016-6935
NSN 5945-00-993-3078