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National Stock Number:
4820-01-202-6339
Federal Supply Class:
4820
National Item Identification Number:
012026339
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:
| 755936 | 31340 | ENJET AERO BLOOMFIELD, LLC | | 755936 | 3V183 | LEWIS MACHINE, LLC | | 755936 | 77445 | RTX CORPORATION | | 7559367 | 33617 | ELECTRO METHODS INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.246 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 1.2335 INCHES NOMINAL | | CRITICALITY CODE JUSTIFICATION | FEAT | | FLANGE DIAMETER | 2.492 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.335 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEAT RADIUS | 0.125 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | SPECIAL FEATURES | CRITICAL FEATURES,TOLERANCES,FIT RESTRICTIONS,MATERIAL PROPERTIES AND MANUFACTURING PROCESS | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 2.585 INCHES NOMINAL |
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