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National Stock Number:
4820-00-852-3719
Federal Supply Class:
4820
National Item Identification Number:
008523719
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:
| 2351212-2 | 99221 | TAVCO, INC. | | 2351212-6 | 99221 | TAVCO, INC. | | P21321 | 79500 | WESTINGHOUSE ELECTRIC CORP | | C071-4-3 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | DISK LOADING METHOD | SPRING | | MATERIAL | STEEL BODY | | MATERIAL | STEEL SEAT | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.187 INCHES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.375 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | SEAT ANGLE | 37.0 DEGREES 2ND END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD QUANTITY PER INCH | 24 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | THREAD SERIES DESIGNATOR | UNF 2ND END |
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