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National Stock Number:
4820-00-295-9358
Federal Supply Class:
4820
National Item Identification Number:
002959358
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:
| 3173-059 | 60029 | WOODWARD HRT, INC. | | 3173-059 | 81873 | WOODWARD HRT INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.171 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.327 INCHES NOMINAL | | FLANGE DIAMETER | 0.358 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.190 INCHES NOMINAL | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.255 INCHES NOMINAL |
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