2540-04-9644 Seat Cushion. Fits M939 5-Ton. USATAC p/n 12255960. This cushion is large; the shipper penalizes with a 39 pound “dimensional freight” surcharge due to the amount of space it takes up in a truck. Actual weight is 15 pounds. ABHP Overall Length 40.410 inches nominal ABMK Overall Width 17.780 inches nominal AFFA III Cover Material Cotton duck, CCC-C-419, type 1 AGAV End Item Identification 2320-01-048-2450 ASRC Padding Material Rubber, MIL-R-5001, type 2, class medium BDFQ Spring Not included HUES Color Green 14968 L5B9