|  | 
                            
                                |   | 
		                    
		                        | National Stock Number:
 4820-00-623-2976
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 006232976
 
 Description:
 VALVE,CHECK
 
 Detail:
 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
 | 
		                    
		                        | 
 Manufacturer Information:
 
 | 1112-577835 | 45681 | PARKER-HANNIFIN CORPORATION |  | 1112-577835 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | 
 | 
				            
					            | 
 Techincal Specification:
 
 | MATERIAL | ALUMINUM ALLOY OVERALL |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | POPPET |  | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  |  | THREADED EXTERNAL TUBE 2ND END |  | CONNECTION STYLE | FLARED (TUBE) 1ST END |  |  | FLARED (TUBE) 2ND END |  | SEAT ANGLE | 37.0 DEGREES 1ST END |  |  | 37.0 DEGREES 2ND END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  |  | 0.250 INCHES 2ND END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |  |  | UNF 2ND END |  | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |  |  | 0.438 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 20 1ST END |  |  | 20 2ND END |  | THREAD CLASS | 3A 1ST END |  |  | 3A 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  |  | RIGHT-HAND 2ND END |  | MOUNTING POSITION | HORIZONTAL OR |  |  | VERTICAL |  | DISK LOADING METHOD | SPRING |  | SPECIAL FEATURES | BULKHEAD FITTINGON ONE END |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 92003 |  | DESIGN CONTROL REFERENCE | 1112-577835 | 
 |