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National Stock Number:
4820-01-064-2817
Federal Supply Class:
4820
National Item Identification Number:
010642817
Description:
VALVE,CHECK
Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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Manufacturer Information:
| 321881 | 33654 | HOWDEN FLUID SYSTEMS | | 321881P4 | 33654 | HOWDEN FLUID SYSTEMS | | 485-4D1-3 | 09990 | PARKER-HANNIFIN CORPORATION | | 48504D1-3 | 33654 | HOWDEN FLUID SYSTEMS | | 321881P4 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. | | 485-4D1-3 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT | | 48504D1-3 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY BODY | | STEEL COMP 304 FLOW CONTROL DEVICE | | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING | | ALUMINUM ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS304 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 200.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED EXTERNAL PIPE 2ND END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | PLAIN (PIPE) 2ND END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | NPT 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 0.250 INCHES 2ND END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING |
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