| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | SOCKET WITH BRAZING RING (PIPE) ALL ENDS |
| FURNISHED ITEMS AND QUANTITY | 2 BRAZING RING |
| FLOW CONTROL DEVICE | DISK |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 1.25" BRNZ UNION END SWING CHECK VALVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A494 ASSN STD SINGLE MATERIAL RESPONSE AND QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | COPPER ALLOY 922 BODY |
| MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MAXIMUM OPERATING TEMP | 150.0 FAHRENHEIT SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MOUNTING POSITION | HORIZONTAL |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.250 MILLIMETERS ALL ENDS |
| SPECIAL FEATURES | THIS VALVE VARIES FROM NAVAL DRAWING 803-1385721 BY O-RINGS OF VITON FLUOROCARBON IAW MIL-R-83248, TY 1, CL 1; BY SILVER BRAZE UNION ENDS AND NI-CU SIDE PLUG. SIMILAR TO 4820-01-227-2854 WHICH STATES MAGNETIC PERMEABILITY IS 2.0 OR LESS. |
| STYLE DESIGNATOR | STRAIGHT THRU |
| VALVE OPERATION METHOD | AUTOMATIC |