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National Stock Number:
4820-01-228-9617
Federal Supply Class:
4820
National Item Identification Number:
012289617
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-X1X1-04 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-5001003-X1X1-04 SPCLN | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.990 INCHES MINIMUM AND | | 0.995 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.710 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.422 INCHES MINIMUM AND | | 0.452 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.085 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.080 INCHES MINIMUM AND | | 0.085 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 15.233 MINIMUM AND | | 17.233 MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 53711 | | DESIGN CONTROL REFERENCE | 803-5001003-X1X1-04 |
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