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National Stock Number:
4820-00-053-8751
Federal Supply Class:
4820
National Item Identification Number:
000538751
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:
| 2R2043-97 | 26044 | SAF INDUSTRIES LLC | | 32-69004-97 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| APERTURE DIAMETER | 0.172 INCHES NOMINAL | | CONNECTION STYLE | FLARE (TUBE) FIRST END | | CONNECTION STYLE | FLARED (TUBE) SECOND END | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | RUBBER SYNTHETIC PACKING | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES SECOND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END | | SEAT ANGLE | 37.0 DEGREES SECOND END | | SEAT ANGLE | 37.0 DEGREES FIRST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | THREAD QUANTITY PER INCH | 20 FIRST END | | THREAD QUANTITY PER INCH | 20 SECOND END |
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