Used on end item spare parts to rectifiers support assy engine marine caterpillar 3612; nha p/n 304-4957 pump gp-auxiliary sea water part of 7e-8182 pump gp-water.
Used on interface adapter. (navy) bearing retainer washer looking bearing retainer having 3.000 inch diameter; having total height of 0.375"; having 6 threaded holes evenly spaced around diameter used for 8-32 self-locking socket head cap screws