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National Stock Number:
4820-01-203-5433
Federal Supply Class:
4820
National Item Identification Number:
012035433
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:
| 2632-928X1 | 96169 | ELECTRIC BOAT CORPORATION | | 2632-928X1 PIECE 4 | 96169 | ELECTRIC BOAT CORPORATION | | 845-2445174 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 845-2445174 PIECE 4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.906 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.222 INCHES NOMINAL | | FLANGE DIAMETER | 2.280 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.812 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A105 ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER LENGTH | 2.278 INCHES MINIMUM AND 2.281 INCHES MAXIMUM | | TAPER MAJOR DIAMETER | 2.220 INCHES NOMINAL | | TAPER MINOR DIAMETER | 1.980 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.093 INCHES NOMINAL |
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