Series CHN Construction No. 1 2 3 4 5 6 7 8 9 10 11 12 13 Description Material Note Rod cover Head cover Cylinder tube Piston Piston rod Magnet plate Cushion ring A Cushion ring B Bushing Cushion valve Retaining ring Air release valve Check ball Aluminum alloy Aluminum alloy Stainless steel Stainless steel Stainless steel Carbon steel Carbon steel Lead bronze Carbon steel Spring steel Alloy steel Bearing steel Black anodized Black anodized Hard chromium electro plating Parts List No. 14 15 16 17 18 19 20 21 22 23 24 25 26 Description Material Note Magnet Retaining ring Rod seal Scraper Piston seal Tube gasket Cushion seal Back-up ring Cushion valve seal A Cushion valve seal B Piston gasket Rod end nut Mounting nut . Spring steel NBR NBR NBR NBR . Resin NBR NBR NBR Carbon steel Carbon steel Parts List Replacement Parts: Seal Kit 20 25 32 40 Bore size (mm) Seal kit no. CHN20-PS CHN25-PS CHN32-PS CHN40-PS Content Nos. !6 to @1 from the chart o20, 25: Stainless steel o32, 40: Carbon steel @5 t !7 @6 !6 o q @0 !5 e u @4 !8 @1 r !4 y !9 i w !2 !3 !0 !1 @3 @2 . Seal kit consists of items !6 to @0 and @2 and can be ordered by using the seal kit number for each bore size. 1320