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National Stock Number:
4820-00-344-6554
Federal Supply Class:
4820
National Item Identification Number:
003446554
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:
| 299544PC1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.255 INCHES MINIMUM AND 0.257 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.408 INCHES NOMINAL | | HARDNESS RATING | 480.0 BRINELL TUNGSTEN CARBIDE MINIMUM AND 550.0 BRINELL TUNGSTEN CARBIDE MAXIMUM BODY | | OVERALL HEIGHT | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM | | MATERIAL | STEEL COMP 81B45H BODY | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN |
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