No other part numbers with same form, fit, and function found.
A nut, flat on top and bottom, having 4 flat sides. 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 6610-01-420-0904
NSN 6145-00-810-9470
NSN 4140-01-125-2906
NSN 2925-00-679-8131
NSN 5835-01-431-6877
NSN 5950-00-278-1201
NSN 5905-01-463-2608
NSN 5990-01-457-9386
NSN 5905-00-925-9313
NSN 6150-01-247-2591
NSN 6220-01-344-5014
NSN 5925-01-042-8668