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National Stock Number:
4820-01-445-0877
Federal Supply Class:
4820
National Item Identification Number:
014450877
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:
| 8549-030-279 | 57574 | VELAN VALVE CORP. | | 9799-733 | 57574 | VELAN VALVE CORP. | | 9799-733 ITEM 5 20IN | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 19.250 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 20.490 INCHES NOMINAL | | OVERALL HEIGHT | 1.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A106, GRADE B ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL CORROSION RESISTING SEAT | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN |
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