Organizational maintenance repair parts and special tools lists : mixer, concrete, trailer mounted, gasoline driven ; 16 cu. ft. w/water cooled engine, NSN 3895-00-807-7985, Construction machinery model 16SM, serial numbers 148883 thru 148982 & serial numbers 153351 thru 153609, w/air cooled engine, NSN 3895-00-985-5335, Construction machinery model 16SM, serial ..