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National Stock Number:
4820-00-399-2887
Federal Supply Class:
4820
National Item Identification Number:
003992887
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:
| 43210 | 53059 | SPIRAX SARCO INC |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 1.875 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.343 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 1.625 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | TWO LUGS SPANNER TYPEWRENCHING FEATURES ON THE TOP OF SEAT 0.375 IN. LG,0.125 IN. W,0.125 IN. H,SPACED 180 DEGREES APART |
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