Genuine AIRMAX NFPA air cylinder 88.6517 Genuine AIRMAX Series 88 NFPA pneumatic cylinder, OEM part number 88.6517, a double-acting square-head unit with a 4 in. bore and 17 in. stroke rated to 250 PSI. Hard-anodized aluminum tube with an oil-filled self-lubricating rod bushing means no added lubrication is required. In stock in Canada with fast Eastern Canada shipping. OEM part number: 88.6517 Specifications: Bore: 4 in. Stroke: 17 in. Maximum working pressure: 250 PSI Theoretical force at 100 PSI: 1257 lbs out / 1178 lbs in Compliance: mounting per ANSI (NFPA) T3.6.7 R2-1996 Construction: hard-anodized aluminum tube, self-lubricating rod bushing Canada Compressor Parts is an independent supplier of genuine AIRMAX parts. AIRMAX and all OEM names and part numbers are the property of their respective owners.