MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Installed in vapor plumbing as safety device to relieve pressure or vacuum build up when vapor system is blocked during loading/unloading; 4 in Ttma aluminum flange mounting opens at 1.5 in Hg Vacuum consists of 1 body part no VRV3501-1, 1 gasket base part no VRV3501-2, 1 gasket part no VRV350-3, 1 bushing part no VRV3501-4, 1SPRING retainer part no VRV3501-5, 1 shaft part no VRV3501-6, 1 pin part no Pin 3/16X1/S/SS, 1 spring part no SPRG/L4506, 1 screw part no SC5/16NCX.75FSS
