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National Stock Number:
4820-00-139-7697
Federal Supply Class:
4820
National Item Identification Number:
001397697
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:
| 736971-1 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR |
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