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National Stock Number:
4820-00-657-1522
Federal Supply Class:
4820
National Item Identification Number:
006571522
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:
| 1624 | 55378 | TRAC REGULATOR CO., INC. | | 1624 | 75545 | LAWLER MANUFACTURING COMPANY, INC. | | 1624L | 55378 | TRAC REGULATOR CO., INC. |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 1.750 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.879 INCHES MINIMUM AND | | 0.880 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL | | MATERIAL | STEEL COMP 416 OVERALL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 58.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 1.500 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 55378 | | DESIGN CONTROL REFERENCE | 1624L |
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