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National Stock Number:
4820-00-731-6405
Federal Supply Class:
4820
National Item Identification Number:
007316405
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:
| 408420P5 | 77445 | RTX CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.630 INCHES MINIMUM AND 0.631 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ADAS | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM BODY | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM FACE | | OVERALL HEIGHT | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN |
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