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National Stock Number:
4820-00-249-5502
Federal Supply Class:
4820
National Item Identification Number:
002495502
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:
| 66141-302-1 | 94756 | THE BOEING COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.312 INCHES MINIMUM AND 0.314 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY A OVERALL | | OVERALL HEIGHT | 0.450 INCHES NOMINAL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN | | SURFACE TREATMENT | TIN OVERALL |
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