| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4820-01-243-0038
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012430038
 
 Description:
 VALVE,VACUUM BREAKING
 
 Detail:
 AN ITEM DESIGNED TO AUTOMATICALLY RELIEVE VACUUM, BY THE INTAKE OF AIR, WHEN THE INTERNAL PRESSURE FALLS BELOW ATMOSPHERIC PRESSURE. SEE ALSO VALVE, VACUUM REGULATING.
 |  
		                        | 
 Manufacturer Information:
 
 | SERIES 8A 3/4IN | 79227 | WATTS REGULATOR CO | 
 |  
					            | 
 Techincal Specification:
 
 | FLOW CONTROL DEVICE | DISK, BOTTOM GUIDED |  | TEMP ADJUSTABILITY | NOT ADJUSTABLE |  | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |  | BODY MATERIAL | BRASS |  | FLOW CONTROL DEVICE MATERIAL | RUBBER |  | END CONNECTION QUANTITY | 2 |  | FIRST END CONNECTION TYPE | THREADED INTERNAL HOSE |  | FIRST END STYLE DESIGNATOR | SWIVEL NUT, GASKET SEAL |  | FIRST END INSIDE DIAMETER HOSE ACCOMMODATED | 0.500 INCHES NOMINAL |  | FIRST END THREAD DIRECTION | RIGHT-HAND |  | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |  | MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE | 
 |  |