... M20 - M21 - M22 - M24 - M26 Dowty seals,Rubber covered washer, shakeproof washer, Bonded Seals, Usitringen, Multiseals:5/8 - 11/16 - ... sealing items.backups , dowty seals, u seals,o rings, wipers, oil seals, piston seals, v packings, rod seals, wear rings, piston ... the most BUNA, FLUOROELASTOMER, SILICONE, EPR, NEOPRENE, TEFLON, POLYURETHANE, POLYMYTE MATERIALS.Only cooperate with the factories or ...