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National Stock Number:
4820-01-195-1891
Federal Supply Class:
4820
National Item Identification Number:
011951891
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:
| NB-0102-H-0400 | 30263 | PIMA VALVE, LLC | | NB-0102-H-0400 PIECE 18 | 11859 | HUNT VALVE COMPANY, INC. | | NB-0102-H-0400 PIECE 18 | 30263 | PIMA VALVE, LLC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.312 INCHES NOMINAL | | FLANGE DIAMETER | 4.875 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | NOMINAL THREAD SIZE | 4.500 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.562 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |
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