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National Stock Number:
4820-00-340-0856
Federal Supply Class:
4820
National Item Identification Number:
003400856
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:
| 8U8018-5 | 60029 | WOODWARD HRT, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.433 INCHES MINIMUM AND 0.435 INCHES MAXIMUM | | FLANGE DIAMETER | 0.558 INCHES MINIMUM AND 0.560 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.890 INCHES MINIMUM AND 0.900 INCHES MAXIMUM | | FSC APPLICATION DATA | VALVE,LINEAR,DIRECTIONAL CONTROL,ACFT | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | SPECIAL FEATURES | 4 BLEED HOLES | | SURFACE TREATMENT | ANODIZE OVERALL | | UNDER FLANGE HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
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