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 2925-00-660-8131
NSN 6645-01-257-1948
NSN 5950-00-597-3661
NSN 5965-01-411-1856
NSN 2925-01-391-9247
NSN 5835-00-443-1079
NSN 2925-01-446-6523
NSN 6135-01-111-1495
NSN 6320-00-036-3688
NSN 5998-01-634-0604
NSN 6240-01-412-9337
NSN 5999-00-834-1270