Used on sewage treatment assembly. 4 units per assembly; part name asigned by the commerical organization controlling agency is washer, plain; thread size diameter 0.165"
Used on 2320-01-465-2174; 2320-01-465-2176; 2320-01-465-2180; 2320-01-465-2182; 2320-01-465-2186; 2320-01-465-2189; 2320-01-465-2260. washer, pl, a, sst, 0.250