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National Stock Number:
4820-01-063-1856
Federal Supply Class:
4820
National Item Identification Number:
010631856
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:
| 1385637-08X-08 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385637 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 7.937 INCHES NOMINAL | | FLANGE DIAMETER | 9.125 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.343 INCHES NOMINAL | | NOMINAL THREAD SIZE | 8.687 INCHES SINGLE THREADED PORTION | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 1.093 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.750 INCHES NOMINAL |
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