SEAT,VALVE,
| THE WALWORTH COMPANY | 63686 |
| THE WALWORTH COMPANY | 63686 |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| ERR DEFAULT | 0.250 INCHES NOMINAL SINGLE THREADED PORTION |
| FLANGE DIAMETER | 0.937 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.312 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 0.750 INCHES SINGLE THREADED PORTION |
| SEATING SURFACE SHAPE | FLAT |
| MATERIAL | NICKEL ALLOY OVERALL |
| STYLE DESIGNATOR | THREADED FLANGED |
| THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| 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. |
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