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National Stock Number:
4820-00-409-2107
Federal Supply Class:
4820
National Item Identification Number:
004092107
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:
| HP1131128-1 | 70236 | TACTAIR FLUID CONTROLS INC | | HP1131128-1 | 84685 | TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.437 INCHES NOMINAL | | FLANGE DIAMETER | 0.547 INCHES MINIMUM AND 0.548 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.035 INCHES NOMINAL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.094 INCHES NOMINAL |
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