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: 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, 2640370X2 PIECE 37, 2640-370X2 PIECE 37, 7665145X13 PIECE 9DLRN, 76651-45X13 PIECE 9DLRN, 2640370X1 PIECE 38, 2640-370X1 PIECE 38, 2640357X3PC58, 2640-357X3PC58, 56970717, 56-97-0717, 2640337X1PC27, 2640-337X1PC27, 264240515 ITEM 26, 2642-405-15 ITEM 26, 2640337X1 PIECE 7, 2640-337X1 PIECE 7, 2641746 PIECE 24, 2641-746 PIECE 24, 26403371 PIECE 7 DLRN, 2640-337-1 PIECE 7 DLRN, 264135703 PIECE 10, 2641-357-03 PIECE 10, 2640246 PIECE 10, 2640-246 PIECE 10, 264135703 ITEM 10, 2641-357-03 ITEM 10, 264135701 ITEM 10, 2641-357-01 ITEM 10, 26409017PIECE15, 2640-901-7PIECE15, 255584 PIECE 21, 256313 PIECE 24, 255771 PIECE 24, 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, 1425D7QAQ3, 2640820X8 PIECE 21Q3, 2640-820X8 PIECE 21Q3, 8452109896PC9Q3, 845-2109896PC9Q3, 2640820X58 PIECE 29Q3, 2640-820X58 PIECE 29Q3, SS8452180931 PIECE 7DLRNQ3, SS845-2180931 PIECE 7DLRNQ3, 8102178493 PIECE 2Q3, 810-2178493 PIECE 2Q3, SS8452180920 PIECE 15Q3, SS845-2180920 PIECE 15Q3, 2640801X1 PIECE 21Q3, 2640-801X1 PIECE 21Q3, 8032178493A02Q3, 803-2178493-A-02Q3, SS8452180757 PIECE 37Q3, SS845-2180757 PIECE 37Q3, 2640687X1PC38Q3, 2640-687X1PC38Q3, 8032178493 PIECE 2Q3, 803-2178493 PIECE 2Q3, SS845205234PC7 DLRNQ3, SS845-205234PC7 DLRNQ3, 2640679X1PIECE7DLRNQ3, 2640-679X1PIECE7DLRNQ3, 8032178493 PIECE 02Q3, 803-2178493 PIECE 02Q3, SS8452050913 PIECE 6DLRNQ3, SS845-2050913 PIECE 6DLRNQ3, 2640370X2 PIECE 37Q3, 2640-370X2 PIECE 37Q3, 7665145X13 PIECE 9DLRNQ3, 76651-45X13 PIECE 9DLRNQ3, SS8452050913 PIECE 38Q3, SS845-2050913 PIECE 38Q3, 2640370X1 PIECE 38Q3, 2640-370X1 PIECE 38Q3, 7120189X3 PIECE 4DLRNQ3, 71201-89X3 PIECE 4DLRNQ3, SS8452050570PC27Q3, SS845-2050570PC27Q3, 2640357X3PC58Q3, 2640-357X3PC58Q3, 56970717Q3, 56-97-0717Q3, SS8452007669PC10Q3, SS845-2007669PC10Q3, 2640337X1PC27Q3, 2640-337X1PC27Q3, 264240515 ITEM 26Q3, 2642-405-15 ITEM 26Q3, SSN6715152048152PIECE4DLRNQ3, SSN671-515-2048152PIECE4DLRNQ3, 2640337X1 PIECE 7Q3, 2640-337X1 PIECE 7Q3, 2641746 PIECE 24Q3, 2641-746 PIECE 24Q3, 26403371 PIECE 7DLRNQ3, 2640-337-1 PIECE 7DLRNQ3, 2641746 PIECE 21Q3, 2641-746 PIECE 21Q3, 2640246 PIECE 10Q3, 2640-246 PIECE 10Q3, 264135703 ITEM 10Q3, 2641-357-03 ITEM 10Q3, 256313 PIECE 24Q3, 264135701 ITEM 10Q3, 2641-357-01 ITEM 10Q3, 255771 PIECE 24Q3, 2640901X7 PIECE 15Q3, 2640-901X7 PIECE 15Q3, 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, SS845205234PC7 DLRN, SS845-205234PC7 DLRN, 8032178493 PIECE 02, 803-2178493 PIECE 02, SS8452050913 PIECE 38, SS845-2050913 PIECE 38, SS8452050913 PC6 DLRN, SS845-2050913 PC6 DLRN, 7120189X3 PIECE 4DLRN, 71201-89X3 PIECE 4DLRN, 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
2640-822X8 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
2640-370X2 PIECE 3796169ELECTRIC BOAT CORPORATION
76651-45X13 PIECE 9DLRN96169ELECTRIC BOAT CORPORATION
2640-370X1 PIECE 3896169ELECTRIC BOAT CORPORATION
2640-357X3PC5896169ELECTRIC BOAT CORPORATION
56-97-071796169ELECTRIC BOAT CORPORATION
2640-337X1PC2796169ELECTRIC BOAT CORPORATION
2642-405-15 ITEM 2696169ELECTRIC BOAT CORPORATION
2640-337X1 PIECE 796169ELECTRIC BOAT CORPORATION
2641-746 PIECE 2496169ELECTRIC BOAT CORPORATION
2640-337-1 PIECE 7 DLRN96169ELECTRIC BOAT CORPORATION
2641-357-03 PIECE 1096169ELECTRIC BOAT CORPORATION
2640-246 PIECE 1096169ELECTRIC BOAT CORPORATION
2641-357-03 ITEM 1096169ELECTRIC BOAT CORPORATION
2641-357-01 ITEM 1096169ELECTRIC BOAT CORPORATION
2640-901-7PIECE1596169ELECTRIC BOAT CORPORATION
255584 PIECE 2143689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
256313 PIECE 2443689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
255771 PIECE 2443689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
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
1425D7QAQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-820X8 PIECE 21Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
845-2109896PC9Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-820X58 PIECE 29Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2180931 PIECE 7DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
810-2178493 PIECE 2Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2180920 PIECE 15Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-801X1 PIECE 21Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
803-2178493-A-02Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2180757 PIECE 37Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-687X1PC38Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
803-2178493 PIECE 2Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-205234PC7 DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-679X1PIECE7DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
803-2178493 PIECE 02Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2050913 PIECE 6DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-370X2 PIECE 37Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
76651-45X13 PIECE 9DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2050913 PIECE 38Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-370X1 PIECE 38Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
71201-89X3 PIECE 4DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2050570PC27Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-357X3PC58Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
56-97-0717Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SS845-2007669PC10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-337X1PC27Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2642-405-15 ITEM 26Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
SSN671-515-2048152PIECE4DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-337X1 PIECE 7Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-746 PIECE 24Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-337-1 PIECE 7DLRNQ303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-746 PIECE 21Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-246 PIECE 10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-357-03 ITEM 10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
256313 PIECE 24Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2641-357-01 ITEM 10Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
255771 PIECE 24Q303950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
2640-901X7 PIECE 15Q303950NAVAL 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
SS845-205234PC7 DLRN80064NAVAL SHIP SYSTEMS COMMAND
803-2178493 PIECE 0280064NAVAL SHIP SYSTEMS COMMAND
SS845-2050913 PIECE 3880064NAVAL SHIP SYSTEMS COMMAND
SS845-2050913 PC6 DLRN80064NAVAL SHIP SYSTEMS COMMAND
71201-89X3 PIECE 4DLRN80064NAVAL 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