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National Stock Number:
4820-01-220-0932
Federal Supply Class:
4820
National Item Identification Number:
012200932
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:
| 31642 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 31642 | 86184 | GRISWOLD INDUSTRIES | | 31642 PIECE 10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 31642 PIECE 10 | 86184 | GRISWOLD INDUSTRIES | | 31651 | 86184 | GRISWOLD INDUSTRIES | | 64788D | 86184 | GRISWOLD INDUSTRIES |
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Techincal Specification:
| FLANGE DIAMETER | 0.880 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.753 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.375 INCHES SECOND THREADED PORTION | | NOMINAL THREAD SIZE | 0.625 INCHES FIRST THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | THREAD CLASS | 1B FIRST THREADED PORTION | | THREAD SERIES DESIGNATOR | NPT SECOND THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF FIRST THREADED PORTION | | UNDER FLANGE HEIGHT | 0.687 INCHES NOMINAL |
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