0.140 in. spacing between each rib; 7 ribs width; 1583 millimeters
NSN 5895-01-158-2247
NSN 5910-01-202-2689
NSN 5925-00-005-8912
NSN 5895-01-469-3115
NSN 6105-00-932-0229
NSN 6645-01-228-2127
NSN 6650-01-242-2508
NSN 6220-01-298-6539
NSN 5920-01-283-2611
NSN 5895-01-376-8459
NSN 4140-01-112-4966
NSN 6150-00-497-2561