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National Stock Number:
4820-00-288-5407
Federal Supply Class:
4820
National Item Identification Number:
002885407
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:
| 1617215-1 | 99251 | MISSION SYSTEMS DAVENPORT INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | | FLANGE DIAMETER | 0.307 INCHES MINIMUM AND 0.309 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.108 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | | FSC APPLICATION DATA | ACFT AIR CONDITIONING,OXYGEN SYSTEM | | HARDNESS RATING | 55.0 ROCKWELL C NOMINAL OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
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