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National Stock Number:
4820-00-891-3010
Federal Supply Class:
4820
National Item Identification Number:
008913010
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:
| 166752 | 99657 | MAROTTA CONTROLS INC | | 166752-0081 | 99657 | MAROTTA CONTROLS INC | | 4820PL1342946 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 280090 ITEM 15 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.520 INCHES MINIMUM AND 0.522 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.968 INCHES MINIMUM AND 0.969 INCHES MAXIMUM | | FLANGE DIAMETER | 1.044 INCHES MINIMUM AND 1.046 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.076 INCHES MINIMUM AND 0.077 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMP A,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL | | SEAT ANGLE IN DEG | 44.500 MINIMUM AND 45.500 MAXIMUM | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.047 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
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