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National Stock Number:
4820-01-467-7109
Federal Supply Class:
4820
National Item Identification Number:
014677109
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:
| 40402-01 | 55378 | TRAC REGULATOR CO., INC. | | 40402-01 PART 768 | 55378 | TRAC REGULATOR CO., INC. | | 40402-4 | 55378 | TRAC REGULATOR CO., INC. | | 40402-4 FIND 44 | 55378 | TRAC REGULATOR CO., INC. | | 768-04 | 55378 | TRAC REGULATOR CO., INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 2.007 INCHES NOMINAL | | FLANGE DIAMETER | 2.750 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A494 ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | NICKEL ALLOY SEAT | | SPECIAL FEATURES | 2 1/2-16 THREADS | | SEATING SURFACE SHAPE | O-RING | | SEAL ACCOMMODATION TYPE | GROOVED | | STYLE DESIGNATOR | THREADED FLANGED | | UNDER FLANGE HEIGHT | 0.0315 INCHES NOMINAL |
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