Flat Washer, Steel, Pfeiffer, UNO, DUO, Part# 3502860 – vacstellar

Description

This steel flat washer (Part #3502860) is a Pfeiffer replacement part. It is used to provide a smooth bearing surface, distribute load, and ensure correct spacing between components inside your pump. It is specifically designed for UNO and DUO models like the 004A, 008A, and 012A series. A simple but important part for a reliable pump rebuild.