| BONNET ATTACHMENT METHOD | BOLTED |
| BONNET TYPE | INSIDE SPRING |
| CONNECTION TYPE | UNTHREADED INTERNAL TUBE ALL ENDS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| DISK LOADING METHOD | SPRING |
| FURNISHED ITEMS AND QUANTITY | 1 PLUGGED DRAIN AND 2 TAILPIECE AND 2 NUT |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.625 INCHES |
| FLOW CONTROL DEVICE | DISK |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 1/2 X 3/4 RELIEF VALVE |
| MATERIAL | BRONZE BODY |
| MATERIAL | NICKEL ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| MATERIAL | NICKEL ALLOY SEAT |
| MATERIAL | NICKEL ALLOY STEM |
| MAXIMUM OPERATING PRESSURE | 500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 320.0 FAHRENHEIT SINGLE RESPONSE |
| OPENING PRESSURE SETTING | 58.0 POUNDS PER SQUARE INCH |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| RENEWABLE SEAT RING TYPE | RETAINING SCREW |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.562 INCHES |
| SPECIAL FEATURES | TYPE 1551-T RELIEF VALVE; 1/2" INLET AND 3/4" OUTLET; UNION NUTS AND TAILPIECES ARE BRONZE. RATED CAPACITY 204 SCFM, REQUIRED CAPACITY 30 SCFM |
| SPECIFICATION/STANDARD DATA | 81349 - MIL-V-22549 GOVERNMENT SPECIFICATION |
| STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| VALVE OPERATION METHOD | AUTOMATIC |
| VALVE SIZE | 0.500 INCHES |