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National Stock Number:
4820-00-909-1358
Federal Supply Class:
4820
National Item Identification Number:
009091358
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:
| 218-60-01 | 16626 | CIRCOR INTL INC | | 2620-926X10PC6 | 96169 | ELECTRIC BOAT CORPORATION | | 803-5001004 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-5001004-X5XX-07 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.438 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 7.052 INCHES MINIMUM AND 7.057 INCHES MAXIMUM | | FLANGE DIAMETER | 7.427 INCHES MINIMUM AND 7.432 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.237 INCHES NOMINAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | SEAT ANGLE IN DEG | 68.000 MINIMUM AND 70.000 MAXIMUM | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.383 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
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