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 6620-01-133-4193
NSN 6135-01-641-4356
NSN 5910-01-255-9889
NSN 6145-01-442-5336
NSN 5950-01-538-3862
NSN 4140-01-468-8688
NSN 5905-00-450-3155
NSN 5996-00-022-3049
NSN 5998-01-233-7740
NSN 5910-00-025-7326
NSN 5985-01-427-3734
NSN 5960-00-258-9292