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National Stock Number:
4820-01-550-2981
Federal Supply Class:
4820
National Item Identification Number:
015502981
Description:
VALVE,GATE
Detail:
A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.
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Manufacturer Information:
| 803-1385714 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385714-41AF MOD | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION TYPE | THREADED EXTERNAL TUBE | | INLET RELATIONSHIP WITH OUTLET | IDENTICAL | | OPERATING PRESSURE AND TYPE | 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY DISK | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 150.0 FAHRENHEIT WATER-OIL-GAS | | NOMINAL THREAD SIZE | 1.125 INCHES | | SPECIAL FEATURES | DIFFERENTIATED BY SOLID SEFLON PACKING FOR THE STEM; LIKE 4820-01-215-1450 EXCEPT SEAL MATERIAL IS NITRILE | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 0.750 INCHES | | STEM TYPE | RISING | | THREAD CLASS | 3A | | THREAD SERIES DESIGNATOR | UN | | THREAD QUANTITY PER INCH | 20 |
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