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		                        | National Stock Number:
 4820-01-497-6708
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 014976708
 
 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:
 
 | 07-1-0 4IN | 0YRW0 | VALVE AUTOMATION AND CONTROL OF SAN DIEGO | 
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 Techincal Specification:
 
 | MATERIAL | STEEL BODY |  |  | ALUMINUM FLOW CONTROL DEVICE |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | WATER, FRESH 1ST RESPONSE |  |  | AIR 2ND RESPONSE |  | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |  | CONNECTION STYLE | PLAIN (PIPE) 1ST END |  |  | PLAIN (PIPE) 2ND END |  | NOMINAL PIPE SIZE ACCOMMODATED | 4.000 INCHES ALL ENDS |  | THREAD SERIES DESIGNATOR | NPT 1ST END |  |  | NPT 2ND END |  | NOMINAL THREAD SIZE | 4.000 INCHES 1ST END |  |  | 4.000 INCHES 2ND END |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS | 
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