Spring attached
A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
NSN 6645-01-497-5353
NSN 5910-01-481-3658
NSN 6220-00-251-5600
NSN 5930-00-156-3700
NSN 6150-01-357-6791
NSN 6240-01-007-6870
NSN 5945-01-157-9953
NSN 6145-01-257-6630
NSN 6320-00-456-2092
NSN 5950-01-268-3098
NSN 5950-00-320-4391
NSN 6145-00-208-6843