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National Stock Number:
4820-00-399-2553
Federal Supply Class:
4820
National Item Identification Number:
003992553
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:
| C3770 | 86184 | GRISWOLD INDUSTRIES | | C3770K | 86184 | GRISWOLD INDUSTRIES | | TV5496 | 86184 | GRISWOLD INDUSTRIES |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 1.750 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.375 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.219 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.530 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 2.375 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.400 INCHES NOMINAL SINGLE THREADED PORTION |
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