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National Stock Number:
4820-00-399-2877
Federal Supply Class:
4820
National Item Identification Number:
003992877
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:
| 42974 | 53059 | SPIRAX SARCO INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.960 INCHES NOMINAL | | FLANGE DIAMETER | 1.878 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.170 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 1.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | W/TWO WRENCHING LUGS ON TOP OF SEAT 180 DEG APART | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.312 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
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