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National Stock Number:
4820-00-250-1774
Federal Supply Class:
4820
National Item Identification Number:
002501774
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:
| 4671F4 | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA | | 4671FPC4 | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-867,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY SEAT | | MATERIAL | STEEL BODY | | NOMINAL THREAD SIZE | 7.625 INCHES SINGLE THREADED PORTION | | OVERALL HEIGHT | 2.250 INCHES NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.812 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
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