| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL-A FORM 1 HF FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | COPPER ALLOY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RELIEF VALVE BODY |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM |
| OVERALL LENGTH | 2.120 INCHES NOMINAL |
| SPECIAL FEATURES | NHA CAPSTAN ASSEMBLY. FIRST END 1.250-2UNF-2A; SECOND END 1.062-12UN-2A MAJOR DIAM. |
| VALVE TYPE FOR WHICH DESIGNED | RELIEF |
| VALVE DESIGN CONTROL ACTIVITY | 53711 |