| STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| VALVE OPERATION METHOD | AUTOMATIC OR |
| MANUAL |
| MATERIAL | COPPER ALLOY 964 BODY |
| NICKEL ALLOY AND |
| PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| NICKEL ALLOY SEAT |
| NICKEL ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-C-20159C MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE AND |
| AMS 3660 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| AA-N-288 COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.500 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.500 INCHES |
| VALVE SIZE | 2.500 INCHES |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 120.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 122.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 300.0 GALLONS PER MINUTE |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | SOCKET ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 2.500 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 110.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 99.0 TO 111.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 WRENCH |
| FEATURES PROVIDED | MANUAL OVERRIDE AND |
| PRESSURE TIGHT OUTLET SIDE |
| DEPARTURE FROM CITED DOCUMENT | MODIEFIED BY PSSSN21C-242 |
| SPECIAL FEATURES | FLANGES IAW MIL-F-20042; INLET FLANGE 250 LB, OUTLET FLANGE 150 LB. WHICH VARY IN THICKNESS (INLET/OUTLET) 15/16 / 1/2 INCHES AND BOLT HOLE SIZE OF 11/16 / 9/16; INLET HAS 4 DRILLED HOLE, 2 TAPPED, OUTLET HAS 6 DRILLED HOLES. LEVER WRENCH IS PROVIDED FOR LIFT CAM; SEAT WRENCH IS NOT PROVIDED |
| SPECIFICATION/STANDARD DATA | 81349 - MIL-V-24322 GOVERNMENT SPECIFICATION |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RELIEF VALVE TYPE 1771-T |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-24332 |