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.)
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5965-01-542-8510
NSN 5945-00-071-7738
NSN 6150-01-081-5698
NSN 5925-01-578-6869
NSN 6220-01-446-2527
NSN 2925-01-197-7864
NSN 6150-01-364-8688
NSN 6240-01-388-4099
NSN 5905-00-882-5877
NSN 4140-01-373-1788
NSN 6685-00-246-5349
NSN 4140-01-519-7544