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National Stock Number: 4820-01-374-3959
Federal Supply Class: 4820
National Item Identification Number: 013743959
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:
NNK62-16 | 30263 | PIMA VALVE, LLC | NNK62-16 PC18 | 11859 | HUNT VALVE COMPANY, INC. | NNK62-16 PC18 | 30263 | PIMA VALVE, LLC |
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Techincal Specification:
BODY INSIDE DIAMETER | 2.938 INCHES NOMINAL | FLANGE DIAMETER | 3.875 INCHES NOMINAL | FLANGE SEAT TO DISK END HEIGHT | 0.219 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 COMP B FED SPEC SINGLE MATERIAL RESPONSE SEAT | MATERIAL | NICKEL ALLOY SEAT | PROPRIETARY CHARACTERISTICS | PACS | NOMINAL THREAD SIZE | 3.500 INCHES SINGLE THREADED PORTION | SEATING SURFACE SHAPE | FLAT | SPECIAL FEATURES | FOR 3.000 IN. GATE VALVE | STYLE DESIGNATOR | THREADED FLANGED | THREAD LENGTH | 0.500 INCHES NOMINAL SINGLE THREADED PORTION | THREAD SERIES DESIGNATOR | NPT SINGLE THREADED PORTION | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |
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