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National Stock Number:
4820-00-874-7325
Federal Supply Class:
4820
National Item Identification Number:
008747325
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:
| 1R3642-83 | 26044 | SAF INDUSTRIES LLC | | 32-69004-83 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| APERTURE DIAMETER | 0.029 INCHES NOMINAL | | CONNECTION STYLE | FLARED (TUBE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY 2024 BODY | | MATERIAL | RUBBER SYNTHETIC PACKING | | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | SPECIAL FEATURES | 2.850 IN. LG OVER-ALL,0.875 IN. ACROSS FLATS | | SEAT ANGLE | 37.0 DEGREES FIRST END | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3A FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD QUANTITY PER INCH | 20 FIRST END | | THREAD SERIES DESIGNATOR | UNF FIRST END |
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