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National Stock Number:
4820-01-062-0581
Federal Supply Class:
4820
National Item Identification Number:
010620581
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:
| 249T-20BB | 91816 | CIRCOR AEROSPACE, INC. | | 4820PL1254275 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | ZB1CV20D30B | 62701 | ZEVCO INC | | ZB1CV20D30B | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS FOURTH RESPONSE | | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE FIFTH RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 1.625 INCHES ALL ENDS | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3B ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD QUANTITY PER INCH | 12 ALL ENDS | | THREAD SERIES DESIGNATOR | UN ALL ENDS |
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