| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4820-00-762-1306
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007621306
 
 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.
 |  
		                        | 
 Manufacturer Information:
 
 | 11241398-19 | 17773 | BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND |  | 559B6MP20 | 91816 | CIRCOR AEROSPACE, INC. | 
 |  
					            | 
 Techincal Specification:
 
 | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | COPPER ALLOY BODY |  | FLOW CONTROL DEVICE | POPPET |  | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |  |  | GAS, INERT 2ND RESPONSE |  |  | REFRIGERANT 12 3RD RESPONSE |  |  | ACETYLENE 4TH RESPONSE |  | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |  | 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 | 0.750 INCHES ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | DISK LOADING METHOD | SPRING |  | OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH |  | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | 
 |  |