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 7035-01-322-0221
NSN 6240-01-622-1674
NSN 6685-00-104-7149
NSN 5965-00-455-7581
NSN 6150-01-106-3646
NSN 6650-01-472-8804
NSN 6320-01-232-4664
NSN 5965-00-549-0220
NSN 6220-01-158-8073
NSN 5920-01-315-8080
NSN 6610-01-164-2227
NSN 5998-01-271-3530