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National Stock Number:
4820-00-783-2908
Federal Supply Class:
4820
National Item Identification Number:
007832908
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:
| 10503 | 98656 | BENTON DIV AMBAC INDUSTRIES INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.620 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM | | FLANGE DIAMETER | 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 1.700 INCHES NOMINAL | | FSC APPLICATION DATA | VALVE,SAFETY RELIEF,HYDRAULIC SYSTEM,AIRCRAFT | | HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.240 INCHES NOMINAL |
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