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National Stock Number:
4820-00-878-0471
Federal Supply Class:
4820
National Item Identification Number:
008780471
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:
| 20-09523 | 53154 | PORTLAND VALVE LLC | | 2640-695X1 PIEC | 96169 | ELECTRIC BOAT CORPORATION | | N050-6 | 17062 | P J VALVES INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.812 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 1.746 INCHES NOMINAL | | HARDNESS RATING | 75.0 ROCKWELL M NOMINAL BODY | | HARDNESS RATING | 75.0 ROCKWELL M NOMINAL FACE | | MATERIAL | PLASTIC POLYAMIDE (NYLON) OVERALL | | OVERALL HEIGHT | 0.312 INCHES NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN |
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