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National Stock Number:
4820-01-161-2547
Federal Supply Class:
4820
National Item Identification Number:
011612547
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:
| 48997 | 86184 | GRISWOLD INDUSTRIES | | 48997B | 86184 | GRISWOLD INDUSTRIES |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 1.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.130 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.305 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.125 INCHES NOMINAL FIRST STEP | | 0.500 INCHES NOMINAL SECOND STEP | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.875 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.188 INCHES NOMINAL SINGLE THREADED PORTION |
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