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National Stock Number:
4820-01-516-7697
Federal Supply Class:
4820
National Item Identification Number:
015167697
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:
| 4D08637 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 4D08637-001 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6509E59 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 6509E59FN16 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 11.606 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 9.992 INCHES NOMINAL | | BODY INSIDE DIAMETER | 7.919 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 1.679 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 2.241 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING SEAT | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAT, ASTERN VALVE |
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