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National Stock Number:
4820-01-379-3749
Federal Supply Class:
4820
National Item Identification Number:
013793749
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 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-06XX-04 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-06XX-68 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 7.000 INCHES NOMINAL | | BODY INSIDE DIAMETER | 6.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.282 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.812 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 6.625 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.688 INCHES NOMINAL SINGLE THREADED PORTION |
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