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 6130-00-316-3677
NSN 4140-00-997-2596
NSN 5935-00-671-3082
NSN 6150-00-402-8811
NSN 5950-00-140-9696
NSN 5920-00-584-4592
NSN 4140-01-649-0939
NSN 5998-00-875-9708
NSN 5930-01-289-4254
NSN 6240-01-611-7090
NSN 5905-00-952-1343
NSN 5905-00-532-1411