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National Stock Number:
4820-01-057-7711
Federal Supply Class:
4820
National Item Identification Number:
010577711
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:
| 10003-5-Y | 63686 | THE WALWORTH COMPANY | | 10003-5Y 2 1-2IN | 63686 | THE WALWORTH COMPANY | | 3300445 | 53711 | NAVAL SEA SYSTEMS COMMAND | | N-10933-H | 63686 | THE WALWORTH COMPANY | | N-10933-HPC4 2 1-2IN | 63686 | THE WALWORTH COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.500 INCHES NOMINAL | | OVERALL HEIGHT | 0.562 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.812 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN THREADED | | THREAD LENGTH | 0.187 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
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