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National Stock Number:
4820-01-054-8977
Federal Supply Class:
4820
National Item Identification Number:
010548977
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:
| 2640-801-01 PIECE 28 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-801-01 PIECE 28Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2640-801X01 PIECE 28Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2642-860-01 ITEM 12Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2640-801X01 PIECE 28 | 96169 | ELECTRIC BOAT CORPORATION | | 2642-860-01 ITEM 12 | 96169 | ELECTRIC BOAT CORPORATION | | 845-4687581 ITEM 12Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 845-7285297 PIECE 28 Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 845-7285297 PIECE 28 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-4687581 ITEM 12 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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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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