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National Stock Number:
4820-00-456-9944
Federal Supply Class:
4820
National Item Identification Number:
004569944
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:
| SS50-832K4C | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL COMP 304 BODY | | MATERIAL | STEEL COMP 304 SEAT | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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