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National Stock Number:
4820-01-062-1619
Federal Supply Class:
4820
National Item Identification Number:
010621619
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:
| 188727-0081 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 2.375 INCHES MINIMUM AND | | 2.376 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.195 INCHES MINIMUM AND | | 2.196 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 1.674 INCHES MINIMUM AND | | 1.676 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.053 INCHES MINIMUM AND | | 0.059 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.068 INCHES MINIMUM AND | | 0.070 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMP A,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 1.817 MINIMUM AND | | 1.834 MAXIMUM |
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