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National Stock Number:
4820-00-420-8751
Federal Supply Class:
4820
National Item Identification Number:
004208751
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:
| 180069-0281 | 99657 | MAROTTA CONTROLS INC | | 180069-281 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.191 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.490 INCHES NOMINAL | | OVERALL HEIGHT | 0.220 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMP A,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL | | SEAT RADIUS | 0.001 INCHES MINIMUM AND 0.003 INCHES MAXIMUM | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN |
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