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National Stock Number:
4820-00-498-7302
Federal Supply Class:
4820
National Item Identification Number:
004987302
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:
| RB19054 | 51663 | HYDRO-AIRE AEROSPACE CORP. |
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Techincal Specification:
| MATERIAL | STEEL COMP 303MA OVERALL | | NOMINAL THREAD SIZE | 1.250 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 90.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION |
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