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National Stock Number:
4820-00-907-3762
Federal Supply Class:
4820
National Item Identification Number:
009073762
Description:
VALVE,RESTRICTOR CHECK
Detail:
A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.
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Manufacturer Information:
| 2-43928-7 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 2-43928-7 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | B1038-7 | 50276 | PREECE INC DECCA VALVES DIV | | 6F2074 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6F2074 | 99240 | CRISSAIR INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 BODY | | STYLE DESIGNATOR | STRAIGHT THRU | | APERTURE DIAMETER | 0.031 INCHES NOMINAL | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | NOMINAL THREAD SIZE | 0.563 INCHES 1ST END | | 0.438 INCHES 2ND END | | THREAD CLASS | 2A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING | | MINIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT |
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