Part Number: USSPS256, Weight: 2, Manufacturer Part Number:PS-256, Seal Head Figure: E, Seal Head Outside Diameter: 1.812, Seal Head Operating Height: 1.187, Mating Ring Figure: 3, Mating Ring Outside Diameter: 1.875, Mating Ring Thickness: .437, Material Codes: BCFKF, Inside Diameter: 1.875, Mating Ring Design: O-Ring, Elastomers Material: Buna, Primary Ring Material: Carbon, Metal Parts Material: Stainless Steel, Mating Ring Material: Ni-Resist, Spring Material: Stainless Steel
| Elastomers Material | : | Buna |
| Inside Diameter | : | 1.875 in |
| Mating Ring Design | : | O-Ring |
| Mating Ring Material | : | Ni-Resist |
| Mating Ring Outside Diameter | : | 1.875 in |
| Mating Ring Thickness | : | .437 in |
| Metal Parts Material | : | Stainless Steel |
| Primary Ring Material | : | Carbon |
| Seal Head Outside Diameter | : | 1.812 in |
| Spring Material | : | Stainless Steel |