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National Stock Number:
4820-01-062-9354
Federal Supply Class:
4820
National Item Identification Number:
010629354
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:
| 1386F25 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 1386F25P19 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 1387F94H01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 4.252 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.225 INCHES NOMINAL | | BODY INSIDE DIAMETER | 2.830 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 1.005 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 2.995 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 600 OVERALL | | SEATING SURFACE SHAPE | FLAT |
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