|  | 
                            
                                |   | 
		                    
		                        | National Stock Number:
 4820-00-491-0037
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004910037
 
 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:
 
 | XXH1C | 30760 | INGERSOLL RAND CO |  | XXH1C | 6R484 | INGERSOLL-RAND COMPANY DBA ROTARY COMPRESSOR DIVISION |  | XXH1L | 30760 | INGERSOLL RAND CO |  | XXH1L | 6R484 | INGERSOLL-RAND COMPANY DBA ROTARY COMPRESSOR DIVISION |  | XXH1L | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |  | XXH1C | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE | 
 | 
				            
					            | 
 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | COPPER ALLOY OVERALL |  | FLOW CONTROL DEVICE | DISK |  | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |  | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |  | THREAD SERIES DESIGNATOR | NPT 1ST END |  | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END | 
 |