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National Stock Number:
4820-00-074-7991
Federal Supply Class:
4820
National Item Identification Number:
000747991
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:
| 1356DPC17 | 75545 | LAWLER MANUFACTURING COMPANY, INC. | | 254 | 55378 | TRAC REGULATOR CO., INC. | | 254-00 | 55378 | TRAC REGULATOR CO., INC. | | 3379 | 55378 | TRAC REGULATOR CO., INC. | | 3379 | 75545 | LAWLER MANUFACTURING COMPANY, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.313 INCHES NOMINAL | | FLANGE DIAMETER | 1.750 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.625 INCHES SINGLE THREADED PORTION | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
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