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National Stock Number:
4820-01-229-4211
Federal Supply Class:
4820
National Item Identification Number:
012294211
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:
| 803-1385623-081 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-081-04 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-081-69 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.438 INCHES NOMINAL | | FLANGE DIAMETER | 9.188 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 1.219 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 8.750 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | O-RING | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.750 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
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