| MATERIAL | STEEL FLOW CONTROL DEVICE |
| ALUMINUM ALLOY SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 CLASS 4400 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| QQ-A-267, ALLOY 2024, T351 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | OIL, HYDRAULIC SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| THREAD SERIES DESIGNATOR | UNF 1ST END |
| NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
| THREAD QUANTITY PER INCH | 20 ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MOUNTING POSITION | HORIZONTAL OR |
| VERTICAL |
| DISK LOADING METHOD | SPRING |
| MOUNTING FACILITY | BULKHEAD |