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National Stock Number:
4820-00-375-8370
Federal Supply Class:
4820
National Item Identification Number:
003758370
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:
| 4700-3112615PC548345 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4700-3112615PC548345 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 821144PCALL | 53711 | NAVAL SEA SYSTEMS COMMAND | | 548345 | 59364 | HONEYWELL INTERNATIONAL INC. | | 548345 | 77068 | ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV | | 821144PCALL | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY STEPPED INSIDE DIAMETER | 0.435 INCHES NOMINAL FIRST STEP | | BODY STEPPED INSIDE DIAMETER | 0.325 INCHES NOMINAL SECOND STEP | | FLANGE DIAMETER | 0.783 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.562 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.968 INCHES NOMINAL |
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