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National Stock Number:
4820-00-468-0837
Federal Supply Class:
4820
National Item Identification Number:
004680837
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:
| 1603-285PC34 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | 1612-285PC34 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | 2R293PC34 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | | 2R302PC34 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | | 490722PC34 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 490722PC34 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 490731PC34 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 490731PC34 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.780 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.489 INCHES NOMINAL | | FLANGE DIAMETER | 4.812 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.418 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | SEAT RADIUS | 2.073 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | SPECIAL FEATURES | FLANGE MTG,4 BOLT HOLES 0.435 IN. DIA ON A 5.535 IN. BC DIA | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.830 INCHES NOMINAL |
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