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National Stock Number:
4820-00-317-3306
Federal Supply Class:
4820
National Item Identification Number:
003173306
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:
| 3238089PIECE2 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 3238089PIECE2 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 4180F2 | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.875 INCHES NOMINAL | | OVERALL HEIGHT | 0.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-883,CLASS 6,TYPE E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 4.375 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN THREADED | | SURFACE TREATMENT | CHROMIUM OVERALL | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.625 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION |
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