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National Stock Number:
4820-01-486-4816
Federal Supply Class:
4820
National Item Identification Number:
014864816
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:
| 6931004 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6931004 ITEM NO. 4 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7094236 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7094236-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.500 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | SPECIAL FEATURES | MATERIAL IS NYLATRON GS; THIS BALL SEAT GOES ON A PISTON ROD THAT FUNCTIONS IN A MANNER SIMILAR TO A VALVE |
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