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National Stock Number:
4820-00-118-3760
Federal Supply Class:
4820
National Item Identification Number:
001183760
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:
| 29636 | 00198 | PRATT & WHITNEY CANADA CORP | | 29636 | 77445 | RTX CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.250 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.5015 INCHES NOMINAL | | HARDNESS RATING | 80.0 ROCKWELL A MINIMUM AND 83.0 ROCKWELL A MAXIMUM OVERALL | | OVERALL HEIGHT | 0.094 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN | | TAPER MAJOR DIAMETER | 0.250 INCHES NOMINAL | | TAPER MINOR DIAMETER | 0.187 INCHES NOMINAL | | TAPER LENGTH | 0.031 INCHES NOMINAL |
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