NSN 4820-00-935-1581

Part Details | VALVE SEAT

4820-00-935-1581 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: 26409017PIECE15, 2640-901-7PIECE15, 2640822X8 PIECE 38, 2640-822X8 PIECE 38, 2640820X8 PIECE 27, 2640-820X8 PIECE 27, 2640820X8 PIECE 21, 2640-820X8 PIECE 21, 2640820X58 PIECE 29, 2640-820X58 PIECE 29, 2640801X1PIECE21, 2640-801X1PIECE21, SS8452180920 PIECE 15, SS845-2180920 PIECE 15, 2640687X1PC38, 2640-687X1PC38, 2640679X1PIECE7DLRN, 2640-679X1PIECE7DLRN, 7665145X13 PIECE 9DLRN, 76651-45X13 PIECE 9DLRN, 2640370X2 PIECE 37, 2640-370X2 PIECE 37, 2640370X1 PIECE 38, 2640-370X1 PIECE 38, 56970717, 56-97-0717, 2640357X3PC58, 2640-357X3PC58, 264240515 ITEM 26, 2642-405-15 ITEM 26, 2640337X1PC27, 2640-337X1PC27, 2641746 PIECE 24, 2641-746 PIECE 24, 2640337X1 PIECE 7, 2640-337X1 PIECE 7, 264135703 PIECE 10, 2641-357-03 PIECE 10, 26403371 PIECE 7 DLRN, 2640-337-1 PIECE 7 DLRN, 264135703 ITEM 10, 2641-357-03 ITEM 10, 2640246 PIECE 10, 2640-246 PIECE 10, 264135701 ITEM 10, 2641-357-01 ITEM 10, 255771 PIECE 24, 255584 PIECE 21, 256313 PIECE 24, 2640901X7 PIECE 15Q3, 2640-901X7 PIECE 15Q3, 255771 PIECE 24Q3, 255584 PIECE 21Q3, 2640822X8 PIECE 38Q3, 2640-822X8 PIECE 38Q3, 8454558777 ITEM 10Q3, 845-4558777 ITEM 10Q3, 2119007 PIECE 9DLRNQ3, 2640820X8 PIECE 27Q3, 2640-820X8 PIECE 27Q3, 8452109896PC9Q3, 845-2109896PC9Q3, 1425D7QAQ3, 2640820X8 PIECE 21Q3, 2640-820X8 PIECE 21Q3, 2640820X58 PIECE 29Q3, 2640-820X58 PIECE 29Q3, 8102178493 PIECE 2Q3, 810-2178493 PIECE 2Q3, SS8452180931 PIECE 7DLRNQ3, SS845-2180931 PIECE 7DLRNQ3, SS8452180920 PIECE 15Q3, SS845-2180920 PIECE 15Q3, 8032178493A02Q3, 803-2178493-A-02Q3, 2640801X1 PIECE 21Q3, 2640-801X1 PIECE 21Q3, SS8452180757 PIECE 37Q3, SS845-2180757 PIECE 37Q3, 2640687X1PC38Q3, 2640-687X1PC38Q3, 8032178493 PIECE 2Q3, 803-2178493 PIECE 2Q3, 8032178493 PIECE 02Q3, 803-2178493 PIECE 02Q3, SS845205234PC7 DLRNQ3, SS845-205234PC7 DLRNQ3, 2640679X1PIECE7DLRNQ3, 2640-679X1PIECE7DLRNQ3, 7665145X13 PIECE 9DLRNQ3, 76651-45X13 PIECE 9DLRNQ3, SS8452050913 PIECE 6DLRNQ3, SS845-2050913 PIECE 6DLRNQ3, 2640370X2 PIECE 37Q3, 2640-370X2 PIECE 37Q3, SS8452050913 PIECE 38Q3, SS845-2050913 PIECE 38Q3, 7120189X3 PIECE 4DLRNQ3, 71201-89X3 PIECE 4DLRNQ3, 2640370X1 PIECE 38Q3, 2640-370X1 PIECE 38Q3, 56970717Q3, 56-97-0717Q3, SS8452050570PC27Q3, SS845-2050570PC27Q3, 2640357X3PC58Q3, 2640-357X3PC58Q3, 264240515 ITEM 26Q3, 2642-405-15 ITEM 26Q3, SS8452007669PC10Q3, SS845-2007669PC10Q3, 2640337X1PC27Q3, 2640-337X1PC27Q3, 2641746 PIECE 24Q3, 2641-746 PIECE 24Q3, SSN6715152048152PIECE4DLRNQ3, SSN671-515-2048152PIECE4DLRNQ3, 2640337X1 PIECE 7Q3, 2640-337X1 PIECE 7Q3, 2641746 PIECE 21Q3, 2641-746 PIECE 21Q3, 26403371 PIECE 7DLRNQ3, 2640-337-1 PIECE 7DLRNQ3, 264135703 ITEM 10Q3, 2641-357-03 ITEM 10Q3, 2640246 PIECE 10Q3, 2640-246 PIECE 10Q3, 264135701 ITEM 10Q3, 2641-357-01 ITEM 10Q3, 256313 PIECE 24Q3, 8454558777 ITEM 10, 845-4558777 ITEM 10, 8102178493PC2, 810-2178493PC2, 8102177483 PIECE 2, 810-2177483 PIECE 2, 8454558777 ITEM 10, 845-4558777 ITEM 10, 2119007 PIECE 9DLRN, 8452109896PC9, 845-2109896PC9, SS8452180931PIECE7DLRN, SS845-2180931PIECE7DLRN, 8032178493A02, 803-2178493-A-02, SS8452180757 PIECE 37, SS845-2180757 PIECE 37, 8032178493 PIECE 02, 803-2178493 PIECE 02, SS845205234PC7 DLRN, SS845-205234PC7 DLRN, SS8452050913 PIECE 38, SS845-2050913 PIECE 38, 7120189X3 PIECE 4DLRN, 71201-89X3 PIECE 4DLRN, SS8452050913 PC6 DLRN, SS845-2050913 PC6 DLRN, SS8452050570PC27, SS845-2050570PC27, SS8452007669PC10, SS845-2007669PC10, SSN6715152048152 PIECE 4DLRN, SSN671-515-2048152 PIECE 4DLRN, 1425D7QA, 4820-00-935-1581, 00-935-1581, 4820009351581, 009351581

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 16, 196700-935-158122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-935-1581
Part Number Cage Code Manufacturer
2640-901-7PIECE1596169ELECTRIC BOAT CORPORATION
2640-822X8 PIECE 3896169ELECTRIC BOAT CORPORATION
2640-820X8 PIECE 2796169ELECTRIC BOAT CORPORATION
2640-820X8 PIECE 2196169ELECTRIC BOAT CORPORATION
2640-820X58 PIECE 2996169ELECTRIC BOAT CORPORATION
2640-801X1PIECE2196169ELECTRIC BOAT CORPORATION
SS845-2180920 PIECE 1596169ELECTRIC BOAT CORPORATION
2640-687X1PC3896169ELECTRIC BOAT CORPORATION
2640-679X1PIECE7DLRN96169ELECTRIC BOAT CORPORATION
76651-45X13 PIECE 9DLRN96169ELECTRIC BOAT CORPORATION
2640-370X2 PIECE 3796169ELECTRIC BOAT CORPORATION
2640-370X1 PIECE 3896169ELECTRIC BOAT CORPORATION
56-97-071796169ELECTRIC BOAT CORPORATION
2640-357X3PC5896169ELECTRIC BOAT CORPORATION
2642-405-15 ITEM 2696169ELECTRIC BOAT CORPORATION
2640-337X1PC2796169ELECTRIC BOAT CORPORATION
2641-746 PIECE 2496169ELECTRIC BOAT CORPORATION
2640-337X1 PIECE 796169ELECTRIC BOAT CORPORATION
2641-357-03 PIECE 1096169ELECTRIC BOAT CORPORATION
2640-337-1 PIECE 7 DLRN96169ELECTRIC BOAT CORPORATION
2641-357-03 ITEM 1096169ELECTRIC BOAT CORPORATION
2640-246 PIECE 1096169ELECTRIC BOAT CORPORATION
2641-357-01 ITEM 1096169ELECTRIC BOAT CORPORATION
255771 PIECE 2443689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
255584 PIECE 2143689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
256313 PIECE 2443689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
2640-901X7 PIECE 15Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
255771 PIECE 24Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
255584 PIECE 21Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-822X8 PIECE 38Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-4558777 ITEM 10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2119007 PIECE 9DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-820X8 PIECE 27Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-2109896PC9Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
1425D7QAQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-820X8 PIECE 21Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-820X58 PIECE 29Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
810-2178493 PIECE 2Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2180931 PIECE 7DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2180920 PIECE 15Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
803-2178493-A-02Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-801X1 PIECE 21Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2180757 PIECE 37Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-687X1PC38Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
803-2178493 PIECE 2Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
803-2178493 PIECE 02Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-205234PC7 DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-679X1PIECE7DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
76651-45X13 PIECE 9DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2050913 PIECE 6DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-370X2 PIECE 37Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2050913 PIECE 38Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
71201-89X3 PIECE 4DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-370X1 PIECE 38Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
56-97-0717Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2050570PC27Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-357X3PC58Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2642-405-15 ITEM 26Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2007669PC10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-337X1PC27Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-746 PIECE 24Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SSN671-515-2048152PIECE4DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-337X1 PIECE 7Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-746 PIECE 21Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-337-1 PIECE 7DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-357-03 ITEM 10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-246 PIECE 10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-357-01 ITEM 10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
256313 PIECE 24Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-4558777 ITEM 1053711NAVAL SEA SYSTEMS COMMAND
810-2178493PC253711NAVAL SEA SYSTEMS COMMAND
810-2177483 PIECE 253711NAVAL SEA SYSTEMS COMMAND
845-4558777 ITEM 1080064NAVAL SHIP SYSTEMS COMMAND
2119007 PIECE 9DLRN80064NAVAL SHIP SYSTEMS COMMAND
845-2109896PC980064NAVAL SHIP SYSTEMS COMMAND
SS845-2180931PIECE7DLRN80064NAVAL SHIP SYSTEMS COMMAND
803-2178493-A-0280064NAVAL SHIP SYSTEMS COMMAND
SS845-2180757 PIECE 3780064NAVAL SHIP SYSTEMS COMMAND
803-2178493 PIECE 0280064NAVAL SHIP SYSTEMS COMMAND
SS845-205234PC7 DLRN80064NAVAL SHIP SYSTEMS COMMAND
SS845-2050913 PIECE 3880064NAVAL SHIP SYSTEMS COMMAND
71201-89X3 PIECE 4DLRN80064NAVAL SHIP SYSTEMS COMMAND
SS845-2050913 PC6 DLRN80064NAVAL SHIP SYSTEMS COMMAND
SS845-2050570PC2780064NAVAL SHIP SYSTEMS COMMAND
SS845-2007669PC1080064NAVAL SHIP SYSTEMS COMMAND
SSN671-515-2048152 PIECE 4DLRN80064NAVAL SHIP SYSTEMS COMMAND
1425D7QA78062SARGENT AEROSPACE & DEFENSE, LLCDBA SARGENT CONTROLS & AEROSPACE
Technical Data | NSN 4820-00-935-1581
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