| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4820-01-239-9061
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012399061
 
 Description:
 PISTON,VALVE
 
 Detail:
 A CYLINDRICAL ITEM OF VARIOUS CONFIGURATIONS WHICH RECIPROCATES IN A VALVE BODY, ASSISTING IN THE MOVEMENT OF THE DISK TO OPEN OR CLOSE A VALVE. MAY INCLUDE ADDITIONAL COMPONENTS SUCH AS RING(S), COLLAR(S), SPRING(S) AND THE LIKE. EXCLUDES DISK, VALVE.
 |  
		                        | 
 Manufacturer Information:
 
 | 1056-00 | 55378 | TRAC REGULATOR CO., INC. | 
 |  
					            | 
 Techincal Specification:
 
 | MATERIAL | IRON CAST |  | SURFACE TREATMENT | NICKEL |  | VALVE DESIGN CONTROL ACTIVITY | 55378 | 
 |  |