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National Stock Number:
4820-01-026-8162
Federal Supply Class:
4820
National Item Identification Number:
010268162
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:
| 1660C80H01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.000 INCHES MINIMUM AND 1.001 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.125 INCHES MINIMUM AND 2.126 INCHES MAXIMUM | | FLANGE DIAMETER | 2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.300 INCHES NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.510 INCHES NOMINAL |
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