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National Stock Number:
4820-01-110-0145
Federal Supply Class:
4820
National Item Identification Number:
011100145
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:
| 189991 | 99657 | MAROTTA CONTROLS INC | | 190310-0030 | 99657 | MAROTTA CONTROLS INC | | 281756-0002 | 99657 | MAROTTA CONTROLS INC | | 281756-0002 ITEM 16 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.990 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.923 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.181 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.429 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.429 INCHES NOMINAL FIRST STEP | | 0.375 INCHES NOMINAL SECOND STEP | | 0.677 INCHES NOMINAL THIRD STEP | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL |
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