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 5915-01-394-5540
NSN 5925-01-580-0279
NSN 5950-01-003-8636
NSN 6645-01-133-2439
NSN 5945-01-393-0358
NSN 5975-01-423-8910
NSN 5920-00-369-0923
NSN 7035-00-931-9415
NSN 6685-00-187-5890
NSN 6135-01-210-8715
NSN 5835-00-257-2852
NSN 5960-00-261-8681