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		                        | National Stock Number:
 4820-01-248-1434
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012481434
 
 Description:
 VALVE,SAFETY RELIEF
 
 Detail:
 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
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 Manufacturer Information:
 
 | 1856M-0L/SP .50 | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION |  | 1856M-0L/SP 1-2 X 3-4 160T179 | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION |  | 1896M2-M40 PSI SET 179 | 37UV7 | CAROTEK, INC. |  | 1896M2-M40 PSI SET 179 | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION |  | 1896-PKD 1/2X3/4 160T179 | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION |  | 1896M-OL/SP 1/2 X 3/4 160T179 | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | COPPER ALLOY 360 OR |  |  | COPPER ALLOY 922 BODY |  | FLOW CONTROL DEVICE | DISK |  | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |  |  | THREADED INTERNAL PIPE 2ND END |  | CONNECTION STYLE | PLAIN (PIPE) 1ST END |  |  | PLAIN,OPTIONAL END(PIPE) 2ND END |  | THREAD SERIES DESIGNATOR | NPT ALL ENDS |  | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |  |  | 0.750 INCHES 2ND END |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | ADJUSTABLE PRESSURE RANGE | 160.0 TO 179.0 POUNDS PER SQUARE INCH | 
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