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National Stock Number:
4820-00-350-0333
Federal Supply Class:
4820
National Item Identification Number:
003500333
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:
| 73931A | 64104 | DRESSER, LLC | | B283010 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.436 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.068 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.625 INCHES MINIMUM AND | | 2.062 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND | | 60.0 ROCKWELL C MAXIMUM OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 0.750 NOMINAL | | SPECIAL FEATURES | STAMP LETTER L ON TOP TO IDENTIFY ONTARIO STEEL FROM OTHER STEEL INSERTS |
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