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: Nuts of iron or steel
NSN 6645-00-754-4108
NSN 6320-01-429-9871
NSN 6650-00-519-0973
NSN 5895-01-592-3237
NSN 5950-01-215-2168
NSN 6610-00-988-9294
NSN 6650-00-476-5974
NSN 5905-01-069-2177
NSN 6240-01-633-9357
NSN 5985-00-007-1848
NSN 5998-00-707-5781
NSN 5996-00-285-3727