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 6130-00-870-3172
NSN 5985-01-575-3251
NSN 6220-01-472-3569
NSN 6620-01-020-1722
NSN 5930-00-932-3143
NSN 6240-01-168-6185
NSN 5925-01-257-4009
NSN 6320-00-521-9350
NSN 5945-01-168-8746
NSN 5975-01-379-1036
NSN 5920-01-458-0348
NSN 4140-01-261-9892