0.140 in. spacing between each rib; 7 ribs width; 1583 millimeters
NSN 5835-00-850-1475
NSN 5975-01-629-8022
NSN 5945-01-384-1849
NSN 5905-01-180-6601
NSN 6105-01-448-4290
NSN 6620-01-446-7290
NSN 6610-01-414-7481
NSN 5999-01-045-8188
NSN 5905-01-468-0555
NSN 5855-00-832-9341
NSN 6105-01-564-9958
NSN 5999-01-323-8216