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National Stock Number:
4820-01-522-1596
Federal Supply Class:
4820
National Item Identification Number:
015221596
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:
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Techincal Specification:
| MATERIAL | STEEL BODY | | SURFACE TREATMENT | PHOSPHATE OR | | CHROMATE OR | | DICHROMATE | | STYLE DESIGNATOR | STRAIGHT THRU | | MAXIMUM OPERATING PRESSURE | 3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS | | THREAD SERIES DESIGNATOR | UN ALL ENDS | | NOMINAL THREAD SIZE | 1.625 INCHES ALL ENDS | | THREAD QUANTITY PER INCH | 12 ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL | | MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT | | SPECIAL FEATURES | STEEL BODY AND POPPET WITH PARCO LUBRITE OR ZINC CLEAR CHROMATE OR ZINC YELLOW DICHROMATE FINISH; 5 DPM INTERNAL LEAKAGE; 50GPM CAPACITY; 5 PSI CRACK PRESSURE; NO INTERNAL PACKINGS |
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