MS14311B (NOTICE 1), MS DRAWING: FITTINGS, PIPE, BRASS OR BRONZE, THREADED (90-DEG. ELBOWS, TEES, CROSSES, 45-DEG. ELBOWS, AND COUPLING), CLASS 250 (05 MAY 1998)

MS14311B (NOTICE 1), MS DRAWING: FITTINGS, PIPE, BRASS OR BRONZE, THREADED (90-DEG. ELBOWS, TEES, CROSSES, 45-DEG. ELBOWS, AND COUPLING), CLASS 250 (05 MAY 1998).