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National Stock Number:
4820-00-057-6429
Federal Supply Class:
4820
National Item Identification Number:
000576429
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:
| 180714-0081 | 99657 | MAROTTA CONTROLS INC | | 180714-81 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | FLANGE DIAMETER | 0.510 INCHES MINIMUM AND 0.515 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.060 INCHES NOMINAL | | OVERALL HEIGHT | 0.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMP A,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC OVERALL | | SEAT RADIUS | 0.025 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.195 INCHES NOMINAL |
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