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 5965-00-263-1226
NSN 5990-00-339-2084
NSN 5945-00-716-3569
NSN 6220-01-600-8426
NSN 6150-00-389-4118
NSN 5915-01-108-0462
NSN 6650-01-275-0945
NSN 5945-01-111-3575
NSN 5910-01-133-9467
NSN 5920-01-429-9059
NSN 5925-00-137-1130
NSN 6320-01-487-0336