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National Stock Number:
4820-00-461-1738
Federal Supply Class:
4820
National Item Identification Number:
004611738
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:
| 1R0448-37 | 26044 | SAF INDUSTRIES LLC | | 215-32320-37 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | 4R113-37 | 82829 | ALLEN AIRCRAFT PRODUCTS INC |
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Techincal Specification:
| APERTURE DIAMETER | 0.040 INCHES NOMINAL | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARELESS 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY 2024 BODY LINING | | MATERIAL | ALUMINUM ALLOY 2024 SEAT | | MATERIAL | RUBBER SYNTHETIC PACKING | | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | SEAT ANGLE | 12.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD CLASS | 3A 1ST END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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