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National Stock Number:
4820-01-293-6910
Federal Supply Class:
4820
National Item Identification Number:
012936910
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.
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Manufacturer Information:
| 30121 PIECE 2 8IN | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 9.125 INCHES NOMINAL | | BODY INSIDE DIAMETER | 8.687 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 1.094 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.750 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ALLOY R-405 ASSN STD SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | FLAT |
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