0.500 in. Dia, 0.656 in. Lg
NSN 5950-01-445-8905
NSN 5998-00-221-3216
NSN 5930-01-224-0593
NSN 6150-00-278-7070
NSN 6610-00-284-3093
NSN 5975-00-674-8339
NSN 5915-01-604-2947
NSN 5945-00-511-6475
NSN 5960-01-365-8752
NSN 6135-01-071-4923
NSN 6135-00-152-8729
NSN 4140-00-619-8062