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National Stock Number:
4820-01-168-1949
Federal Supply Class:
4820
National Item Identification Number:
011681949
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:
| 40398-09 | 55378 | TRAC REGULATOR CO., INC. | | 40398-09 FIND 13 | 55378 | TRAC REGULATOR CO., INC. | | 930 | 55378 | TRAC REGULATOR CO., INC. | | 930-02 | 55378 | TRAC REGULATOR CO., INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.875 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.182 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | 1.000 IN.OD | | STYLE DESIGNATOR | THREADED FLANGED | | BODY INSIDE DIAMETER | 0.625 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A494 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SEATING SURFACE SHAPE | FLAT |
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