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National Stock Number:
4820-00-793-9646
Federal Supply Class:
4820
National Item Identification Number:
007939646
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:
| K-1207-4-17 | 55469 | ESSEX INDUSTRIES, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | STEEL COMP 304 SEAT | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MOUNTING POSITION | 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 | | SUPPLEMENTARY FEATURES | ADDITIONAL FLOW CONTROL DEVICE: STEM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | TEST DATA DOCUMENT | 34199-K-1207-4 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | 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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