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National Stock Number:
4820-01-231-0749
Federal Supply Class:
4820
National Item Identification Number:
012310749
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:
| MC17327 | 76050 | EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.142 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.482 INCHES NOMINAL | | FLANGE DIAMETER | 0.5475 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.205 INCHES NOMINAL | | FSC APPLICATION DATA | AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS | | HARDNESS RATING | 89.3 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | SEAT ANGLE IN DEG | 50.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | TOP FLANGE HAS 0.120 WIDE BY 0.060 DEEP GROOVE;USED ON MC16770 | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.290 INCHES NOMINAL |
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