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National Stock Number:
4820-01-205-8708
Federal Supply Class:
4820
National Item Identification Number:
012058708
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:
| 1753F1-3 | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA | | 5586016AA-3 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | W-5586016 | 01289 | GENERAL ELECTRIC COMPANY | | W-5586016 PIECE 3 | 01289 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 2.125 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.250 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 1.875 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION |
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