Gray color
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.)
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 7035-01-227-2546
NSN 5998-01-176-9256
NSN 5985-01-245-5461
NSN 5935-00-338-2906
NSN 5905-00-429-5904
NSN 6320-01-098-2503
NSN 5855-01-184-8089
NSN 6685-00-177-2563
NSN 6645-01-485-3517
NSN 5999-00-310-8699
NSN 5935-01-054-4233
NSN 5975-01-261-2995