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National Stock Number:
4820-01-342-4193
Federal Supply Class:
4820
National Item Identification Number:
013424193
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:
| 8541-004-062 | 57574 | VELAN VALVE CORP. | | 8541-004-062VM | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.500 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.875 INCHES NOMINAL | | FLANGE DIAMETER | 3.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.3175 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A376 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 316 OVERALL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION | | SEATING SURFACE SHAPE | O-RING | | UNDER FLANGE HEIGHT | 0.105 INCHES MAXIMUM | | STYLE DESIGNATOR | PLAIN FLANGED |
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