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National Stock Number:
4820-01-022-8260
Federal Supply Class:
4820
National Item Identification Number:
010228260
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:
| 180422-91 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.329 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | OVERALL HEIGHT | 0.259 INCHES MINIMUM AND 0.261 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-55028,DEL-F-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYCHLOROTRIFLUOROETHYLENE OVERALL | | SEAT RADIUS | 0.002 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | SPECIAL FEATURES | OD GROOVED TO ACCOMMODATE O-RING | | STYLE DESIGNATOR | PLAIN |
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