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National Stock Number:
4820-00-818-0522
Federal Supply Class:
4820
National Item Identification Number:
008180522
Description:
VALVE,SHUTTLE
Detail:
A VALVE HAVING ONE OUTLET AND TWO INLETS THAT ARE USUALLY OPPOSITE EACH OTHER. IT HAS A FLUID PRESSURE OPERATED PISTONLIKE ITEM, CALLED A SHUTTLE, THAT CONTROLS EITHER INLET. IT IS COMMONLY USED TO PROVIDE AN EMERGENCY PASSAGE FOR FLUID IN AN AIRCRAFT HYDRAULIC OR PNEUMATIC SYSTEM IN CASE OF LOSS OF PRESSURE IN THE NORMAL SERVICE LINES.
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Manufacturer Information:
| 12853 | 26044 | SAF INDUSTRIES LLC | | 12853-1 | 26044 | SAF INDUSTRIES LLC | | 2SV243 | 26044 | SAF INDUSTRIES LLC |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END | | CONNECTION STYLE | GASKET SEAL(BOSS) 1ST END | | FLOW CONTROL DEVICE | PISTON | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | RUBBER SYNTHETIC PACKING | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MOUNTING FACILITY | THREADED FASTENER | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | SEAT ANGLE | 45.0 DEGREES 1ST END | | STYLE DESIGNATOR | CROSS W/OFFSET | | SURFACE TREATMENT | ANODIZE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD CLASS | 3B 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | VALVE DISCHARGE FLOW RATE | 1.2 GALLONS PER MINUTE |
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