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 6320-01-512-2031
NSN 5950-01-221-3469
NSN 5905-01-032-4681
NSN 5835-01-155-0786
NSN 6645-00-574-9712
NSN 5975-01-535-4533
NSN 5999-01-615-5248
NSN 6240-00-079-0112
NSN 5990-01-655-1437
NSN 5895-01-143-2302
NSN 5998-00-548-9387
NSN 6685-01-519-9250