US Seal PS-3890 Buna Shaft Seal, 5/8" Shaft (PS-3890) ussealmfg A Buna-N O-ring helps create

A Buna-N O-ring helps create a seal at a compatible large-diameter circular connection

Useful when replacing a worn or damaged original dial

When a spa uses a broad equipment layout

this Hayward part helps target the repair directly

Check the mating threads and sealing surfaces before installation so the replacement can seal cleanly without overtightening

US Seal PS-3890 Buna Shaft Seal, 5/8" Shaft (PS-3890) ussealmfg A Buna-N O-ring helps createUS Seal PS 3890 Buna Shaft Seal, 5 8" Shaft (PS 3890) 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