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National Stock Number:
4820-01-252-1782
Federal Supply Class:
4820
National Item Identification Number:
012521782
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:
| 56-13-0192 | 96169 | ELECTRIC BOAT CORPORATION | | 56-13-01920Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 593-6405215 FIND 4,5Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 593-6405215 FIND 4,5 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 609-4676629 ITEM 2 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 609-4676629 ITEM 2,3 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 609-4676629 ITEM 2,3Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 609-4676629 ITEM2Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL | PLASTIC POLYURETHANE OVERALL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL | | SEATING SURFACE SHAPE | O-RING |
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