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National Stock Number:
4820-01-259-1404
Federal Supply Class:
4820
National Item Identification Number:
012591404
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:
| 40577-5 | 55378 | TRAC REGULATOR CO., INC. | | 40577-5 PC 22 | 55378 | TRAC REGULATOR CO., INC. | | 801-02 | 55378 | TRAC REGULATOR CO., INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.875 INCHES NOMINAL | | FLANGE DIAMETER | 4.375 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | UNDER FLANGE HEIGHT | 1.000 INCHES NOMINAL |
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