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National Stock Number:
4820-00-158-9975
Federal Supply Class:
4820
National Item Identification Number:
001589975
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:
| K1251MD6-6 | 55469 | ESSEX INDUSTRIES, INC. |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 BODY | | STEEL COMP 630 FLOW CONTROL DEVICE | | RUBBER PACKING | | STEEL COMP 303 SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | 66, AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE BODY | | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE PACKING | | AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE SEAT | | STYLE DESIGNATOR | STRAIGHT THRU | | APERTURE DIAMETER | 0.375 INCHES NOMINAL | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING |
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