NSN 4820-00-042-0874

Part Details | VALVE SEAT

4820-00-042-0874 A replaceable item designed to provide a 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.

Alternate Parts: 8454558791 ITEM 35, 845-4558791 ITEM 35, 264385210 ITEM 5, 2643-852-10 ITEM 5, 2640801010017, 264080101-0017, 2640804X3 PIECE 2, 2640-804X3 PIECE 2, 2640801X01 PIECE 17, 2640-801X01 PIECE 17, 2640801X01 ITEM17, 2640-801X01 ITEM17, 264080101 ITEM 17, 2640-801-01 ITEM 17, 2640800X1 ITEM 17, 2640-800X1 ITEM 17, 255580 PIECE 3, 6002184PC3, 6002-184PC3, 255580PC3Q3, 8458543128 ITEM 5Q3, 845-8543128 ITEM 5Q3, 8457286652 ITEM16Q3, 845-7286652 ITEM16Q3, 8454558791 ITEM35Q3, 845-4558791 ITEM-35Q3, 8454558787 ITEM 18Q3, 845-4558787 ITEM 18Q3, 6002184PC3Q3, 6002-184PC3Q3, 264385210 ITEM 5Q3, 2643-852-10 ITEM 5Q3, 2640801010017Q3, 264080101-0017Q3, 2640852X1PC3Q3, 2640-852X1PC3Q3, 2640840X3PC2Q3, 2640-840X3PC2Q3, 2640804X3 PIECE 2Q3, 2640-804X3 PIECE 2Q3, 2640801X1PC17Q3, 2640-801X1PC17Q3, 2640801X01 ITEM 17Q3, 2640-801X01 ITEM 17Q3, 264080101 ITEM 17Q3, 2640-801-01 ITEM 17Q3, 2640800X1 ITEM 17Q3, 2640-800X1 ITEM 17Q3, 8458543128 ITEM 5, 845-8543128 ITEM 5, 8457286652 ITEM16, 845-7286652 ITEM16, 8454558791 ITEM 35, 845-4558791 ITEM 35, 8454558787 ITEM 18, 845-4558787 ITEM 18, 2640852X1PC3, 2640-852X1PC3, 2640840X3PC2, 2640-840X3PC2, 8454558791 ITEM 35, 845-4558791 ITEM 35, 4820-00-042-0874, 00-042-0874, 4820000420874, 000420874

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 11, 196700-042-087422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-042-0874
Part Number Cage Code Manufacturer
845-4558791 ITEM 3596169ELECTRIC BOAT CORPORATION
2643-852-10 ITEM 596169ELECTRIC BOAT CORPORATION
264080101-001796169ELECTRIC BOAT CORPORATION
2640-804X3 PIECE 296169ELECTRIC BOAT CORPORATION
2640-801X01 PIECE 1796169ELECTRIC BOAT CORPORATION
2640-801X01 ITEM1796169ELECTRIC BOAT CORPORATION
2640-801-01 ITEM 1796169ELECTRIC BOAT CORPORATION
2640-800X1 ITEM 1796169ELECTRIC BOAT CORPORATION
255580 PIECE 343689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
6002-184PC343689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
255580PC3Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-8543128 ITEM 5Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-7286652 ITEM16Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-4558791 ITEM-35Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-4558787 ITEM 18Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
6002-184PC3Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2643-852-10 ITEM 5Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
264080101-0017Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-852X1PC3Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-840X3PC2Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-804X3 PIECE 2Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-801X1PC17Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-801X01 ITEM 17Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-801-01 ITEM 17Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-800X1 ITEM 17Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-8543128 ITEM 553711NAVAL SEA SYSTEMS COMMAND
845-7286652 ITEM1653711NAVAL SEA SYSTEMS COMMAND
845-4558791 ITEM 3553711NAVAL SEA SYSTEMS COMMAND
845-4558787 ITEM 1853711NAVAL SEA SYSTEMS COMMAND
2640-852X1PC353711NAVAL SEA SYSTEMS COMMAND
2640-840X3PC253711NAVAL SEA SYSTEMS COMMAND
845-4558791 ITEM 3580064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-00-042-0874
Characteristic Specifications
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEMS 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
CRITICALITY CODE JUSTIFICATIONZZZY