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 5920-00-170-4247
NSN 5998-01-634-0604
NSN 6130-00-130-1156
NSN 6110-01-155-1626
NSN 5950-01-655-1932
NSN 5975-01-266-0904
NSN 6645-01-451-1295
NSN 4140-01-556-9136
NSN 5950-01-534-4322
NSN 6650-01-088-3134
NSN 6240-01-522-2070
NSN 6320-01-143-3597