National 442251 Multi-Purpose Seal National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles. Temperature range: -40DegF to 225DegF / -40DegC to 107DegC Delivers quality and reliable performance for every type of repair Low swell in hydrocarbon fluids Design type: springless; single-lip Good low temperature capability Package Dimensions: 2.750 x 0.688 x 2.750 inches Package Weight: 0.068 lb Package Quantity: 1 UPC: 724956129768 Housing Bore: 2.561 IN Housing Bore: 65.050 MM Inside Diameter: 1.718 IN Inside Diameter: 43.640 MM Material: Nitrile Outside Diameter: 2.565 IN Outside Diameter: 65.150 MM Redicoat: Yes Sealing Material: Nitrile Series: 440000 Shaft Diameter: 1.718 IN Shaft Diameter: 43.640 MM Thickness: 0.500 IN Thickness: 12.700 MM Type: 44 Unit of Dimension: Inch Width: 12.700 MM Country of Origin: MX