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National Stock Number:
4820-01-287-4874
Federal Supply Class:
4820
National Item Identification Number:
012874874
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:
| 2110254 PC 20 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 2110254 PC 20L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2110254 PIECE 20 1/4INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2620-902X10 PC 20 1/4INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2110254 PIECE 20 1/4 IN | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 2620-902X10 PC 20 1/4IN | 96169 | ELECTRIC BOAT CORPORATION | | 803-2177934-X1XX-18L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 803-2177934-X1XX-18 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 0.930 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.122 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.7656 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 24 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION |
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