Material grade 8 with yellow zinc finish
No other part numbers with same form, fit, and function found.
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.)
NSN 6220-00-272-7497
NSN 5915-01-417-3123
NSN 6685-00-678-0567
NSN 6320-01-094-2634
NSN 5930-00-648-2142
NSN 5998-01-634-0604
NSN 5935-00-138-5697
NSN 5960-01-160-3437
NSN 5990-00-932-3070
NSN 6320-01-334-9840
NSN 6130-01-570-5578
NSN 5855-01-487-5048