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National Stock Number:
4820-00-870-6986
Federal Supply Class:
4820
National Item Identification Number:
008706986
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:
| AL105066PC6 | 11672 | CRANE CO CRANE VALVE AND PARTS DIV | | AL105066PC6 | 20772 | SPECTRONICS CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 34.125 INCHES NOMINAL | | OVERALL HEIGHT | 1.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY A OVERALL | | NOMINAL THREAD SIZE | 35.750 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 5.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 1.125 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 8 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNC SINGLE THREADED PORTION |
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