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National Stock Number:
4820-00-987-7452
Federal Supply Class:
4820
National Item Identification Number:
009877452
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:
| 101B354AA1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101B354AA1 | 24446 | GENERAL ELECTRIC COMPANY | | PL501E458AEPC5 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 2.5005 INCHES MINIMUM AND | | 2.5010 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.999 INCHES MINIMUM AND | | 2.000 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.498 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 1.000 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.844 INCHES NOMINAL FIRST STEP | | 1.089 INCHES NOMINAL SECOND STEP | | 1.500 INCHES NOMINAL THIRD STEP | | MATERIAL | STEEL BODY | | STEEL SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-853,CL 3,TY E MIL SPEC SINGLE MATERIAL RESPONSE BODY | | STELLITE B21B23 MFR REF SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.250 INCHES MINIMUM AND | | 0.256 INCHES MAXIMUM | | FSC APPLICATION DATA | TURBINE,STEAM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 03502 | | DESIGN CONTROL REFERENCE | 101B354AA1 |
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