| STYLE DESIGNATOR | ANGLE |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | NICKEL ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-N-288 FED SPEC 2ND MATERIAL RESPONSE BODY |
| QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-N-288 FED SPEC 2ND MATERIAL RESPONSE SEAT |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 165.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 189.0 CUBIC FEET PER MINUTE |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 55.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 2 NUT AND |
| 2 TAILPIECE AND |
| 1 WRENCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| TEST DATA DOCUMENT | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILV22549 |