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National Stock Number:
4820-01-021-8370
Federal Supply Class:
4820
National Item Identification Number:
010218370
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:
| 4C2854 | 99240 | CRISSAIR INC | | A15HS017-1 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARELESS 1ST END | | CONNECTION STYLE | FLARELESS 2ND END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MAXIMUM OPERATING PRESSURE | 4000.0 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 THREAD SIZE | 0.562 INCHES 1ST END | | SEAT ANGLE | 12.0 DEGREES 1ST END | | SEAT ANGLE | 12.0 DEGREES 2ND END | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 3A 1ST END | | THREAD CLASS | 3A 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | UNF 2ND END | | VALVE OPERATION METHOD | AUTOMATIC |
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