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 5999-01-654-0619
NSN 6320-01-572-6395
NSN 5975-01-551-1172
NSN 6645-00-258-8547
NSN 6685-00-269-4895
NSN 6145-00-253-2787
NSN 5895-01-235-7861
NSN 5996-01-204-9747
NSN 5920-01-653-0019
NSN 5998-00-195-6411
NSN 6130-01-270-5608
NSN 5905-00-966-9747