4820-00-935-1578, SEAT,VALVE

National Stock Number:
4820-00-935-1578

Federal Supply Class:
4820

National Item Identification Number:
009351578

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.

Manufacturer Information:

2640-340X1 PIECE 7	96169	ELECTRIC BOAT CORPORATION
2640-340X1 PIECE 7Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-389X3PC40	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-389X3PC40Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X1 PC 23DLRN	96169	ELECTRIC BOAT CORPORATION
2640-389X3PC40	96169	ELECTRIC BOAT CORPORATION
2640-801X1, PIECE 23Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2640-801X1PIECE23Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-4384431 PIECE 4Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-4384431-A-04	80064	NAVAL SHIP SYSTEMS COMMAND
803-4374431-A-04	80064	NAVAL SHIP SYSTEMS COMMAND
803-4384431 PIECE 4	80064	NAVAL SHIP SYSTEMS COMMAND
2640-801X1PC5DLRN	96169	ELECTRIC BOAT CORPORATION
2640-801X1, PIECE 23	96169	ELECTRIC BOAT CORPORATION
803-4384431-A-04Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-2050576 PIECE 7Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2109802PC40Q3	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2109802PC40	80064	NAVAL SHIP SYSTEMS COMMAND
845-2050576 PIECE 7	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	ZZZY
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

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