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National Stock Number:
4820-00-337-1046
Federal Supply Class:
4820
National Item Identification Number:
003371046
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:
| 137B367-1 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT | | 137B367-1 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 137B367-1 | 24446 | GENERAL ELECTRIC COMPANY | | 7089B19PC45 | 24446 | GENERAL ELECTRIC COMPANY | | 137B367-1 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 137B367-1 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP | | 7089B19PC45 | 71669 | GENERAL ELECTRIC CO SWITCHGEAR AND CONTROL DIVISION OF APPARATUS GROUP | | B3169686PC1 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | J3169677PC45 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.706 INCHES MINIMUM AND 1.708 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 3.625 INCHES NOMINAL | | FLANGE DIAMETER | 4.250 INCHES MINIMUM AND 4.251 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.623 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | COBALT ALLOY SEAT | | SEAT RADIUS | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 2.313 INCHES NOMINAL |
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