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National Stock Number:
4820-01-558-8419
Federal Supply Class:
4820
National Item Identification Number:
015588419
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:
| 803-5001003-A111-4 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-5001003-A1XX-4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.437 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.870 INCHES NOMINAL | | FLANGE DIAMETER | 0.995 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.850 INCHES NOMINAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAT | | SEAT ANGLE IN DEG | 34.000 MINIMUM AND 36.000 MAXIMUM | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.082 INCHES NOMINAL |
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