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National Stock Number:
4820-01-203-4792
Federal Supply Class:
4820
National Item Identification Number:
012034792
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:
| 29984 | 14959 | CRANE CO DIV VALVE DIV | | 29984 PIECE 4 1 1/4 IN | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.229 INCHES MINIMUM AND 1.239 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.389 INCHES MINIMUM AND 1.391 INCHES MAXIMUM | | FLANGE DIAMETER | 1.563 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.319 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351 GR.CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL CORROSION RESISTING SEAT | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
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