| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4820-00-434-1804
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004341804
 
 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:
 
 | 2365-0025-1 | 04577 | MISSION SYSTEMS ORCHARD PARK INC | 
 |  
					            | 
 Techincal Specification:
 
 | STYLE DESIGNATOR | PLAIN FLANGED |  | FLANGE DIAMETER | 0.686 INCHES NOMINAL |  | FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL |  | MATERIAL | RUBBER,SILICONE,ZZ-R-765,CLASS 1,GRADE 80 OVERALL |  | HARDNESS RATING | 80.0 SHORE DUROMETER A NOMINAL FACE |  | SEATING SURFACE SHAPE | FLAT |  | SEAL ACCOMMODATION TYPE | RECESSED |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 04577 |  | DESIGN CONTROL REFERENCE | 2365-0025-1 | 
 |  |