US Seal PS-446 Buna/Carbon Shaft Seal, 1-3/4" Shaft (PS-446) is a replacement sealing part for compatible US Seal Manufacturing equipment. It helps create or restore a watertight seal at the matching connection point, reducing leaks and supporting proper equipment operation after service, disassembly, or component replacement.Seals, o-rings, and gaskets should generally be replaced whenever the related assembly is opened or when the original part is flattened, cracked, hardened, swollen, or leaking. Confirm part number PS-446, material, shaft size, inside diameter, outside diameter, and application before installation. Replacement shaft seal for compatible US Seal Manufacturing equipment Supports proper fit and function during leak repair and sealing service Useful for repair, maintenance, rebuild, or equipment restoration work Match part number PS-446 with the existing component before ordering Verify model, dimensions, color, material, connection type, and electrical rating where applicable