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National Stock Number:
4820-01-395-0521
Federal Supply Class:
4820
National Item Identification Number:
013950521
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:
| 506-6081706 ITEM 2 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 4.630 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.310 INCHES NOMINAL | | BODY INSIDE DIAMETER | 2.250 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.160 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.440 INCHES NOMINAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 35.000 NOMINAL |
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