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National Stock Number:
4820-00-873-3851
Federal Supply Class:
4820
National Item Identification Number:
008733851
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:
| 26670 | 16004 | DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC | | 26670 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 26670 | 92878 | HDT EXPEDITIONARY SYSTEMS INC |
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Techincal Specification:
| OVERALL HEIGHT | 0.910 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 0.375 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.174 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.650 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | SEATING SURFACE SHAPE | FLAT | | SEAL ACCOMMODATION TYPE | SLEEVE | | THREAD SERIES DESIGNATOR | UNC FIRST THREADED PORTION | | NPT SECOND THREADED PORTION | | NOMINAL THREAD SIZE | 0.312 INCHES FIRST THREADED PORTION | | 0.375 INCHES SECOND THREADED PORTION | | THREAD CLASS | 2A FIRST THREADED PORTION | | THREAD LENGTH | 0.250 INCHES NOMINAL FIRST THREADED PORTION | | 0.230 INCHES MINIMUM SECOND THREADED PORTION |
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