Description Manuals Videos Articles Clemco 03151 - Screw, 5/16 x 3/4 hex head Sentinel Valve Item Number 8 Customers Also Viewed Sentinel, Flange Adapter w/ Inspect Plate #20513 $53.35 Sentinel, Lower Body #20511 $66.93 Screw, 5/16 inch x 1 1/4 inch hex head #19509 $0.97