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National Stock Number:
4820-00-857-0280
Federal Supply Class:
4820
National Item Identification Number:
008570280
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:
| 101B354BR-1 | 03502 | GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT | | 101B354BR-1 | 81893 | GENERAL ELECTRIC CO LYNN RIVER WORKS | | 101B354BRPC1 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.125 INCHES MINIMUM AND 2.126 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 3.501 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | OVERALL HEIGHT | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.635 INCHES MINIMUM AND 0.641 INCHES MAXIMUM | | STYLE DESIGNATOR | PLAIN |
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