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National Stock Number:
4820-01-063-7663
Federal Supply Class:
4820
National Item Identification Number:
010637663
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:
| 3183869 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 3183869-7MODIFIED | 53711 | NAVAL SEA SYSTEMS COMMAND | | 3941FPC7 | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |
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Techincal Specification:
| BODY INSIDE DIAMETER | 10.000 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 10.562 INCHES NOMINAL | | FLANGE DIAMETER | 11.250 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY STYLE,BODY OD AND FLANGE HEIGHT | | SEATING SURFACE SHAPE | FLAT | | UNDER FLANGE HEIGHT | 0.626 INCHES NOMINAL | | STYLE DESIGNATOR | PLAIN FLANGED |
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