FeaturesBuilt tough enough to stand up to the roughest conditionsPins and retainers: high tensile steel， zinc plated to prevent corrosion， comes with cotter pin retainersPorts: double ported NPTF for greater flexibility of assembly， unless otherwise stated， cylinders assembled with ports inlinePiston nut: heavy duty automation grade self locking piston nut holds piston in place under high cycle loadingPiston: ductile iron， precision machined providing a malleable bearing surface for extended cylinder lifePiston seal: 90 durometer O-ring with anti extrusion back up washers provide sealing under high load conditionsTie - rods: high tensile steel to prevent failure under high pressureCylinder shaft: high strength， hard chrome plated shaft provides extended cylinder life in harsh applicationsTube: precision finished skive and burnished heavy wall steel tubing for extended seal and cylinder lifeTube seal: 90 durometer o - ring with anti - extrusion back-up washer to prevent leakage under high pressure and cycle loadingRod seal: Premium Double Lip Polyurethane BS profile using a double lip design for leak - free performance throughout the pressure range and longer life expectancyRod cap and clevis cap: ductile iron comes with drilled oil passages， offering increased bearing surface for high shock and side load applicationsRod wiper: Polyurethane AN or D Style provides a tough / hard material to remove contaminants from shaft surfaceThreaded shaft: (on ASAE cylinders) to accept optional mechanical stroke control (not applicable to 5” bore cylinders)Rod clevis: ductile iron comes with 360° thread contact area and positive set screw locking device able to withstand continuous high load without wear or fractureAll cylinders are 100% hydraulically tested up to two times working pressureSpecificationsRod Diameter:1.12" Clevis pin: 1" Pin to pin center retracted x extended: 26.25" x 42.25"Bore: 2.5"Stroke: 16"