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National Stock Number:
4820-01-093-3650
Federal Supply Class:
4820
National Item Identification Number:
010933650
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:
| 2620-902X4ASSYCPIECE 20 1 1-2 | 63686 | THE WALWORTH COMPANY | | 2620-902X4ASSYCPIECE 20 1 1-2 | 96169 | ELECTRIC BOAT CORPORATION | | 845-1889582ASSYCPIECE 20 1 1-2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 2.120 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.252 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.215 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.410 INCHES NOMINAL | | MATERIAL | COPPER OR | | NICKEL OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 75.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 1.938 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.350 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | FOUR WRENCH LUGS |
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