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National Stock Number:
4820-01-419-7120
Federal Supply Class:
4820
National Item Identification Number:
014197120
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:
| 6397434 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-X31 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-X3XXXX-022 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-X4X | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-X4XXXX-022 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.815 INCHES NOMINAL | | FLANGE DIAMETER | 1.555 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.736 INCHES NOMINAL | | MATERIAL | COBALT ALLOY SEAT | | NOMINAL THREAD SIZE | 1.375 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | FOR SZ 0.750 IN. AND 1.000 IN. GLOBE VALVE | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.859 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 20 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.819 INCHES NOMINAL |
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