| FLOW CONTROL DEVICE | DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-596 FED SPEC 1ST MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-596 FED SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATERIAL | ALUMINUM ALLOY 356.0 BODY |
| MATERIAL | ALUMINUM ALLOY 356.0 FLOW CONTROL DEVICE |
| MATERIAL | STEEL STEM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, CHECK, BUTTERFLY |
| PROPRIETARY CHARACTERISTICS | PACS |
| MAXIMUM OPERATING TEMP | 70.0 DEG CELSIUS SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| SPECIAL FEATURES | ASSEMBLY CONSISTS OF: 1 BODY, 2 FLAPPERS, 1 SHAFT, 1 STOP AND A/R WASHER. |