... Washer: 1.Material:copper,steel,rubber 2,Temperature:-60 to 500C 3.Standard:JIS,UNI,DIN,ASTM,GB 4 ... 38*74*11 and supply OEM, ODM service according to your requirement. If you want more detailed information of ... 440, 7349, 7989, 9021),BA,NFE,JIS,and according to customers' requirements.3.Material:Carbon steel,45#,65Mn,stainless steel ... .Delivery:15 working days(as per your order) Combination sealing washer