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National Stock Number:
4820-00-402-2426
Federal Supply Class:
4820
National Item Identification Number:
004022426
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:
| M11563 ITEM 8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11563/1ITEM8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11715 ITEM 8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11715PC8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11716 ITEM 8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11716ITEM8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11781 ITEM 8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11850 ITEM 8 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL | | FLANGE DIAMETER | 0.938 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164-61,CLASS B ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | SEAT ANGLE IN DEG | 20.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | THREADED FLANGED | | UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL |
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