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National Stock Number:
4820-00-972-9897
Federal Supply Class:
4820
National Item Identification Number:
009729897
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:
| 154352 | 99657 | MAROTTA CONTROLS INC | | 222234 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.680 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.250 INCHES NOMINAL SECOND STEP | | BODY STEPPED INSIDE DIAMETER | 0.438 INCHES NOMINAL THIRD STEP | | BODY STEPPED INSIDE DIAMETER | 0.446 INCHES NOMINAL FIRST STEP | | FLANGE DIAMETER | 0.750 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.440 INCHES NOMINAL |
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