... :-60 to 500C 3.Standard:JIS,UNI,DIN,ASTM,GB 4.Samples free Seal Washer :1. Material: NBR, SILICONE, VITON,HNBR ... ). 1.Name:carbon steel washer2.standard:USS,SAE,FENDER, F436,DIN ( 125A, 126, 436, 440, 7349, 7989, 9021),BA, ... Material:Carbon steel,45#,65Mn,stainless steel,brass,copper4.Finish:Plain;black; zinc plated(Cr,3+);zinc plated(Cr,6+); ... 15 working days(as per your order) Combination sealing washer