| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | SOCKET (PIPE) ALL ENDS |
| DISK LOADING METHOD | SPRING |
| FURNISHED ITEMS AND QUANTITY | 2 NUT AND 2 TAILPIECE |
| FLOW CONTROL DEVICE | POPPET |
| OPENING PRESSURE SETTING | 5.0 POUNDS PER SQUARE INCH |
| OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763. TY 304 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763. TY 304 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763. TY 316 FED SPEC 1ST MATERIAL RESPONSE AND KEL-F FLUOROCARBON MFR REF 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATERIAL | STEEL COMP 304 BODY |
| MATERIAL | STEEL COMP 316 AND PLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE |
| MATERIAL | STEEL COMP 316 SEAT |
| MAXIMUM OPERATING TEMP | 150.0 FAHRENHEIT SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| MINIMUM OPERATING TEMP | -40.0 FAHRENHEIT |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.555 INCHES ALL ENDS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | IN-LINE CHECK VALVE, .250 I.P.S |
| SPECIAL FEATURES | SHOCK AND VIBRATION QUALIFIED; SIMILAR TO TY 1 AND 2 AIR SERVICE VALVES EXCEPT FOR O-RING MATERIAL |
| VALVE OPERATION METHOD | AUTOMATIC |
| STYLE DESIGNATOR | STRAIGHT THRU |