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National Stock Number:
4820-01-346-1736
Federal Supply Class:
4820
National Item Identification Number:
013461736
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:
| 803-5959306-3XX-028 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-5959308 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.500 INCHES NOMINAL | | FLANGE DIAMETER | 1.939 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.215 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY BODY | | NOMINAL THREAD SIZE | 1.938 INCHES FIRST THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | UNDER FLANGE HEIGHT | 0.469 INCHES NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A FIRST THREADED PORTION | | THREAD LENGTH | 1.500 INCHES NOMINAL FIRST THREADED PORTION | | THREAD SERIES DESIGNATOR | UN FIRST THREADED PORTION | | THREAD QUANTITY PER INCH | 20 FIRST THREADED PORTION |
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