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National Stock Number:
4820-01-039-5994
Federal Supply Class:
4820
National Item Identification Number:
010395994
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:
| 803-2177917-2-02 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 810-2177917-2-02 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.438 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 3.000 INCHES NOMINAL | | CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL | NICKEL ALLOY OVERALL | | SPECIAL FEATURES | 4 SLOTS 1/16 IN. BY 5/16 IN. W,90 DEG APART | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN |
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