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National Stock Number:
4820-00-035-6235
Federal Supply Class:
4820
National Item Identification Number:
000356235
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:
| K1251MD4-22 | 55469 | ESSEX INDUSTRIES, INC. |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 BODY | | STEEL FLOW CONTROL DEVICE | | PLASTIC POLYTETRAFLUOROETHYLENE AND | | RUBBER PACKING | | 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 2ND MATERIAL RESPONSE PACKING | | STYLE DESIGNATOR | STRAIGHT THRU | | APERTURE DIAMETER | 0.250 INCHES NOMINAL | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED INTERNAL BOSS 2ND END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | GASKET SEAL (BOSS) 2ND END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | 0.250 INCHES 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UNJF 2ND END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | 0.438 INCHES 2ND END | | THREAD CLASS | 3A 1ST END | | 3B 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING |
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