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National Stock Number:
4820-00-045-5417
Federal Supply Class:
4820
National Item Identification Number:
000455417
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:
| 2640-400X1PC9X27 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-400X1PC9X27Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-2050990PC9X27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-2050990PC9X27Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS |
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