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 5998-01-476-7798
NSN 6320-01-078-8257
NSN 6320-00-731-6134
NSN 6110-00-288-4179
NSN 5990-00-905-6472
NSN 6685-01-618-5945
NSN 6220-01-147-3030
NSN 5910-01-555-3498
NSN 6110-01-148-8136
NSN 5965-01-609-6324
NSN 6135-00-318-8359
NSN 5925-01-237-2501