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National Stock Number:
4820-00-255-5746
Federal Supply Class:
4820
National Item Identification Number:
002555746
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:
| M11291-6 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11658IM6 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD | | M11658ITEM6 | K2980 | SHIPHAM VALVES A DIVISION OF HAMWORTH VALVES LTD |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 1.500 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.995 INCHES MINIMUM AND | | 1.005 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.344 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.281 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY BODY | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 20.000 NOMINAL | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 1.313 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.563 INCHES NOMINAL SINGLE THREADED PORTION | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | K2980 | | DESIGN CONTROL REFERENCE | M11658ITEM6 |
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