Part Number: USSPS3518, Weight: 2, Manufacturer Part Number:PS-3518, Seal Head Figure: K, Seal Head Outside Diameter: 4.000, Seal Head Operating Height: 2.500, Mating Ring Figure: 1, Mating Ring Outside Diameter: 3.875, Mating Ring Thickness: .625, Material Codes: BCFJF, Inside Diameter: 3.875, Mating Ring Design: Cup Mounted, Elastomers Material: Buna, Primary Ring Material: Carbon, Metal Parts Material: Stainless Steel, Mating Ring Material: Ceramic, Spring Material: Stainless Steel
| Elastomers Material | : | Buna |
| Inside Diameter | : | 3.875 in |
| Mating Ring Design | : | Cup Mounted |
| Mating Ring Material | : | Ceramic |
| Mating Ring Outside Diameter | : | 3.875 in |
| Mating Ring Thickness | : | .625 in |
| Metal Parts Material | : | Stainless Steel |
| Primary Ring Material | : | Carbon |
| Seal Head Outside Diameter | : | 4.000 in |
| Spring Material | : | Stainless Steel |