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National Stock Number:
4820-01-226-0208
Federal Supply Class:
4820
National Item Identification Number:
012260208
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 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-5001003-X8X1-04 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SEAT ANGLE IN DEG | 34.000 MINIMUM AND 35.000 MAXIMUM | | SEATING SURFACE SHAPE | ANGULAR |
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