| STYLE DESIGNATOR | ANGLE |
| VALVE OPERATION METHOD | MANUAL |
| MATERIAL | COPPER ALLOY 922 BODY |
| NICKEL ALLOY R-405 SEAT |
| NICKEL ALLOY 400 OR |
| NICKEL ALLOY R-405 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | SOCKET WITH BRAZING RING ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES 1ST END |
| 0.375 INCHES 2ND END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 1401.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 1401.0 TO 1800.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 2 TAILPIECE AND |
| 1 PLUGGED DRAIN AND |
| 1 WRENCH |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 15187 |
| DESIGN CONTROL REFERENCE | 9979B51M |