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National Stock Number:
4820-01-129-7736
Federal Supply Class:
4820
National Item Identification Number:
011297736
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:
| 803-1385623 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-041-04 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-041-43 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385623-041X-68 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 810-1385623 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 810-1385623 | 95321 | CLOW CORP MARINE VALVE PRODUCTS DIV | | 810-1385623-041-4 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 810-1385623-041-4 | 95321 | CLOW CORP MARINE VALVE PRODUCTS DIV |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.500 INCHES NOMINAL | | FLANGE DIAMETER | 4.813 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.688 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AST-494 ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 4.500 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.563 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.687 INCHES NOMINAL |
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