Precision rubber items and metal rubber bonded components such as gaskets, seals, o-rings, bellows, sleeves, diaphragms, and shock mounts are manufactured to stringent aeronautical standards. The components with high performance ratings are including nitrile, neoprene, silicone, flurocarbon and flurosilicone rubbers to suit operational requirements of aircraft or helicopters in the areas of gear boxes, fuel systems, engines, electrical circuits, vibration damping and structures.