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 5960-01-134-4099
NSN 5985-00-274-4062
NSN 6135-00-931-9049
NSN 5920-00-452-0963
NSN 2925-01-359-4027
NSN 6145-00-107-7913
NSN 5935-01-231-6913
NSN 6220-00-842-0260
NSN 5960-00-960-6805
NSN 5915-01-422-6877
NSN 7035-01-214-5171
NSN 5999-01-187-5821