|  | 
                            
                                |   | 
		                    
		                        | National Stock Number:
 4820-01-337-4004
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 013374004
 
 Description:
 SEAT,VALVE
 
 Detail:
 A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
 | 
		                    
		                        | 
 Manufacturer Information:
 
 | 211056675 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 801-6408783 FIND 11 | 53711 | NAVAL SEA SYSTEMS COMMAND | 
 | 
				            
					            | 
 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN |  | OVERALL HEIGHT | 0.250 INCHES NOMINAL |  | BODY OUTSIDE DIAMETER | 1.059 INCHES MINIMUM AND |  |  | 1.060 INCHES MAXIMUM |  | BODY INSIDE DIAMETER | 0.967 INCHES MINIMUM AND |  |  | 0.971 INCHES MAXIMUM |  | MATERIAL | PLASTIC POLYAMIDE OVERALL |  | SEATING SURFACE SHAPE | O-RING |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 53711 |  | DESIGN CONTROL REFERENCE | 211056675 | 
 |