Parker Series 2AN Non-Lube Heavy Duty Pneumatic Air CylinderFull Model No. 04.00 CH2ANU34AC 3.5004"Bore 3.5"StrokeNominal Pressure -up to250 PSI Air Service Steel Head & Cap with steel cylinder body/sleeveStroke cushion in both head & cap end Single rod cylinder (Rod Projects from one end only)H Mounting Style-Cap rectangular flange (NFPA MF2)Lipseal Piston U=1/2 NPTF (dry seal pipe thread ports)Piston Diameter 1.375"Piston Rod Thread 1-14 maleLength of Thread 1.602Weight of cylinder Condition of cylinder Cylinder is new/unused has shelf wear may have some surface rust from storageRefer to Parker for a model no. break down & exact measurements & mounting specification for this cylinder.