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National Stock Number:
4820-00-253-5581
Federal Supply Class:
4820
National Item Identification Number:
002535581
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:
| 3224941 | 71454 | FMC TECHNOLOGIES INC DBA FMC FLUID CONTROL |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.035 INCHES MINIMUM AND 2.045 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 3.117 INCHES MINIMUM AND 3.127 INCHES MAXIMUM | | HARDNESS RATING | 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM BODY | | HARDNESS RATING | 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM FACE | | MATERIAL | RUBBER BUNA N OVERALL | | OVERALL HEIGHT | 1.709 INCHES MINIMUM AND 1.729 INCHES MAXIMUM | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | STYLE DESIGNATOR | PLAIN | | SPECIAL FEATURES | TWO HOLES THROUGH MIDDLE TO ACCOMODATE BUTTERFLY VALVE STEM |
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