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National Stock Number:
4820-00-138-2072
Federal Supply Class:
4820
National Item Identification Number:
001382072
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:
| 2640-801X1PC22 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.063 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.484 INCHES NOMINAL | | OVERALL HEIGHT | 0.563 INCHES NOMINAL | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | SPECIAL FEATURES | 2 GROOVES 180 DEG APART,0.250 IN. RAD APPROX,0.062 IN. DEEP APPROX | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SEAL ACCOMMODATION TYPE | GROOVED | | STYLE DESIGNATOR | PLAIN |
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