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National Stock Number:
4820-00-803-2548
Federal Supply Class:
4820
National Item Identification Number:
008032548
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:
| 1R3444-15-25 | 26044 | SAF INDUSTRIES LLC | | 1R3449-15-25 | 26044 | SAF INDUSTRIES LLC | | 668067-5 | 98897 | LOCKHEED MARTIN CORP | | 668374-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| APERTURE DIAMETER | 0.187 INCHES NOMINAL | | CONNECTION STYLE | FLARELESS FIRST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | RUBBER SYNTHETIC PACKING | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END | | SEAT ANGLE | 24.0 DEGREES FIRST END | | SPECIAL FEATURES | OVER-ALL DIM.,2.781 IN. LG,1.000 IN. ACROSS FLATS | | STYLE DESIGNATOR | ANGLE | | 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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