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National Stock Number:
4820-01-081-5934
Federal Supply Class:
4820
National Item Identification Number:
010815934
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:
| 2129-1-4 | 37239 | LUNKENHEIMER CO | | 900999-9271 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | FIG 2129 SZ 1/4 IN | 37239 | LUNKENHEIMER CO |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 836 BODY | | COPPER ALLOY SEAT | | COPPER ALLOY STEM | | COPPER ALLOY 836 DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY | | ASTM B371 ALLOY C87500 ASSN STD SINGLE MATERIAL RESPONSE STEM | | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE DISK | | VALVE SIZE | 0.250 INCHES | | PRESSURE CLASS | 125.0 POUNDS | | MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 125.0 POUNDS PER SQUARE INCH STEAM AND | | 200.0 POUNDS PER SQUARE INCH WATER-OIL-GAS | | VALVE OPERATION METHOD | MANUAL | | INLET RELATIONSHIP WITH OUTLET | IDENTICAL | | CONNECTION TYPE | THREADED INTERNAL PIPE | | THREAD SERIES DESIGNATOR | NPT | | NOMINAL THREAD SIZE | 0.250 INCHES | | STEM TYPE | NONRISING | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | FEATURES PROVIDED | BONNET PACKING | | SPECIAL FEATURES | SINGLE WEDGE DISC |
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