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 5910-01-125-6762
NSN 6645-01-191-5081
NSN 4140-00-103-6943
NSN 6645-01-248-8033
NSN 6650-00-197-7563
NSN 6220-01-441-2889
NSN 5910-00-132-6318
NSN 5950-01-470-6607
NSN 5996-00-514-7678
NSN 5895-01-222-1895
NSN 5960-01-628-2760
NSN 5999-01-487-6826