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National Stock Number:
4820-00-483-6152
Federal Supply Class:
4820
National Item Identification Number:
004836152
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:
| 321084 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.230 INCHES NOMINAL | | FLANGE DIAMETER | 0.342 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.060 INCHES NOMINAL | | HARDNESS RATING | 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL | | MATERIAL | STEEL BODY | | SEATING SURFACE SHAPE | FLAT | | UNDER FLANGE HEIGHT | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | STYLE DESIGNATOR | PLAIN FLANGED |
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