| MATERIAL | COPPER ALLOY 922 BODY |
| NICKEL ALLOY FLOW CONTROL DEVICE |
| NICKEL ALLOY SEAT |
| NICKEL ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | SOCKET ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES ALL ENDS |
| RENEWABLE SEAT RING TYPE | PRESSED-IN |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | UNION |
| FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL AND |
| 2 TAILPIECE |
| SPECIAL FEATURES | ASSEMBLY -51A (MOD) IS MODIFIED FROM DWG BY VITON O-RINGS IAW MIL-R-83248; BY SOCKET WELD TAILPIECES IAW MIL-C-15762; BY SOCKET WELD BORE BREAKEDGE/CHAMFER NOT TO EXCEED .010; AND BY WATERWAY BORE BREAKEDGE/CHAMFER NOT TO EXCEED .0625. THESE VALVES ARE FOR USE IN FIREMAIN, STEAM SUPPLY AND SERVICE STEAM. SIMILAR TO NSN 4820-01-481-4583 BUT HAS DIFFERENT END CONNECTIONS AND MATERIAL FOR O-RINGS. |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 1.00" BRONZE UNION END GLOBE STOP VALVE |