239 / | HD | FLUID SPRINKLING, SPRAYING, AND DIFFUSING |
265.11 | DF | REACTION MOTOR DISCHARGE NOZZLE {4} |
265.19 | DF | .~ With means controlling amount, shape or direction of discharge stream {3} |
265.33 | DF | .~.~ Radially outermost flow defining wall adjustable {2} |
265.35 | .~.~.~ Nozzle aiming adjustable |