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National Stock Number:
4820-00-216-9016
Federal Supply Class:
4820
National Item Identification Number:
002169016
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:
| TV6574 | 86184 | GRISWOLD INDUSTRIES | | V6574H | 86184 | GRISWOLD INDUSTRIES |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 5.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.630 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 4.000 INCHES MINIMUM AND | | 4.004 INCHES MAXIMUM FIRST STEP | | 4.060 INCHES NOMINAL SECOND STEP | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 5.000 NOMINAL | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 4.500 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.430 INCHES NOMINAL SINGLE THREADED PORTION | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 86184 | | DESIGN CONTROL REFERENCE | V6574H |
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