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National Stock Number:
4820-00-439-0355
Federal Supply Class:
4820
National Item Identification Number:
004390355
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:
| 2021 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.495 INCHES MINIMUM AND 0.497 INCHES MAXIMUM | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 416 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL HEIGHT | 0.252 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | | SEAL ACCOMMODATION TYPE | GROOVED | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | STYLE DESIGNATOR | PLAIN |
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