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National Stock Number:
4820-01-431-6679
Federal Supply Class:
4820
National Item Identification Number:
014316679
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:
| 6983468 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6983468 PIECE 36 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6983468-PC036 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 6.001 INCHES NOMINAL | | FLANGE DIAMETER | 8.000 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.281 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | GMIL-B-24480 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 6.750 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.940 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 8 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 1.410 INCHES NOMINAL |
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