Specification Brand : EAI Color : Black Label : EAI Parts Manufacturer : EAI Parts MaterialType : Nitrile Rubber(NBR 70), Carbon Steel Case, Carbon Steel Spring Model : SC18*28*5 NumberOfItems : 1 PartNumber : 109467N ProductGroup : BISS Basic ProductTypeName : O_RINGS Publisher : EAI Parts Size : 18mmx28mmx5mm SmallImage_Height : 64 SmallImage_URL : https://m.media-amazon.com/images/I/21rLwPP4dDL._SL75_.jpg SmallImage_Width : 75 Studio : EAI Parts Title : EAI Oil Seal 18mm x 28mm x 5mm SC Lip Seal w/Spring. Metal Case w/NBR Coating