A-A-59006, COMMERCIAL ITEM DESCRIPTION: INDICATORS, PIPELINE, FLOW, SIGHT (03-DEC-1996)

A-A-59006, COMMERCIAL ITEM DESCRIPTION: INDICATORS, PIPELINE, FLOW, SIGHT (03-DEC-1996)., This commercial item description covers sight flow pipeline indicators intended for installation in drain lines of strainer, where flow indication is necessary for backflush and draining operations.