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 5960-01-265-8069
NSN 5905-01-149-6939
NSN 5998-01-349-0601
NSN 5930-01-361-2919
NSN 5985-00-503-2783
NSN 5930-00-416-6946
NSN 6610-00-603-4650
NSN 6145-01-356-0655
NSN 5920-00-765-2867
NSN 5915-01-248-7671
NSN 6150-01-535-9463
NSN 6145-00-286-9588