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National Stock Number: 4820-01-118-6793
Federal Supply Class: 4820
National Item Identification Number: 011186793
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:
| MIL-V-1189 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | SS845-2445191 ASSY B 4IN | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BOLT HOLE QUANTITY | 8 | | BONNET TYPE | PACKING RETAINING | | FACE TO FACE DISTANCE | 6.750 INCHES | | FLANGE FACE DESIGN | PLAIN | | MATERIAL | COPPER ALLOY 922 BODY | | MATERIAL | NICKEL ALLOY 400 STEM | | OPERATING PRESSURE AND TYPE | 150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY ASSURANCE TESTING IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 4.000 INCHES | | STEM TYPE | NONRISING |
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