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National Stock Number:
4820-01-158-8444
Federal Supply Class:
4820
National Item Identification Number:
011588444
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:
| NB0102D0400 PIECE 2 | 30263 | PIMA VALVE, LLC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.900 INCHES NOMINAL | | FLANGE DIAMETER | 4.872 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.275 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | NOMINAL THREAD SIZE | 4.500 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.332 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |
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