0.140 in. spacing between each rib; 7 ribs width; 1583 millimeters
NSN 5910-01-370-5931
NSN 5999-00-300-0264
NSN 5996-01-108-1954
NSN 5999-01-215-6080
NSN 6105-00-470-0441
NSN 5999-01-156-5803
NSN 4140-01-398-0286
NSN 5895-01-588-7426
NSN 6650-01-027-1181
NSN 6105-01-337-4217
NSN 6645-00-171-9639
NSN 6110-01-529-9674