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National Stock Number:
4820-01-244-5300
Federal Supply Class:
4820
National Item Identification Number:
012445300
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:
| 68A690617 | 76301 | THE BOEING COMPANY | | 68A690617-1005 PART 7M901-1 | 76301 | THE BOEING COMPANY | | 7M901-1 | 50276 | PREECE INC DECCA VALVES DIV | | 7M901-1 | 76301 | THE BOEING COMPANY | | 7M901 | 76301 | THE BOEING COMPANY | | 6F3324 | 99240 | CRISSAIR INC | | B3426 | 50276 | PREECE INC DECCA VALVES DIV | | 7M901-1 | 99240 | CRISSAIR INC |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING BODY | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ ALL ENDS | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | 0.437 INCHES 2ND END | | THREAD QUANTITY PER INCH | 18 1ST END | | 20 2ND END | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | CRITICALITY CODE JUSTIFICATION | FEAT |
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