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National Stock Number:
4820-00-121-9657
Federal Supply Class:
4820
National Item Identification Number:
001219657
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 1232850 | 18355 | THE BOEING COMPANY | | 1232850 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION STYLE | FLARED (TUBE) 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END | | FACE TO FACE DISTANCE | 1.906 INCHES | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 20.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 2B 2ND END | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD QUANTITY PER INCH | 24 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | THREAD SERIES DESIGNATOR | UNS 2ND END | | VALVE OPERATION METHOD | AUTOMATIC |
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