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		                             National Stock Number: 4820-00-803-1222
  Federal Supply Class: 4820
  National Item Identification Number: 008031222
  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:
 | 649X6-4 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |   
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  Techincal Specification:
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | FLOW CONTROL DEVICE | POPPET |  | MAXIMUM OPERATING PRESSURE | 3100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS |  | SEAT ANGLE | 37.5 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |  | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |  | THREAD QUANTITY PER INCH | 20 1ST END |  | THREAD CLASS | 3A 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 430.0 POUNDS PER SQUARE INCH |  | ADJUSTABLE PRESSURE RANGE | 430.0 TO 650.0 POUNDS PER SQUARE INCH |   
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