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National Stock Number:
4820-01-342-1731
Federal Supply Class:
4820
National Item Identification Number:
013421731
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:
| 73811-130/8543-009-440 | 57574 | VELAN VALVE CORP. | | 73811-130/8543-009-440VM | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 8543-009-440 | 57574 | VELAN VALVE CORP. | | 8543-009-440VM | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 8543-009-440VM | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.500 INCHES NOMINAL | | FLANGE DIAMETER | 4.895 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.937 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION | | SEATING SURFACE SHAPE | O-RING | | UNDER FLANGE HEIGHT | 0.156 INCHES NOMINAL | | STYLE DESIGNATOR | PLAIN FLANGED |
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