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National Stock Number:
4820-00-962-9031
Federal Supply Class:
4820
National Item Identification Number:
009629031
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:
| 575022 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 575022 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.410 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 20 SINGLE THREADED PORTION |
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