| FLOW CONTROL DEVICE | POPPET |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 0.500 DIRECTIONAL FLOW CONTROL VALVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763C FED SPEC 2ND MATERIAL RESPONSE SEAT |
| MATERIAL | STEEL COMP 303 SEAT |
| MATERIAL | STEEL COMP 304 BODY |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| SPECIAL FEATURES | CRACKING PRESSURE IS 2-8 PSID; METERED LOHM RATE 260; MAXIMUM FREE FLOW RATE 12; PINS ARE PREWAXED; DO NOT DEGREASE; DO NOT LUBRICATE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FED-QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | PASSIVATE |
| VALVE OPERATION METHOD | AUTOMATIC |