NSN 4820-00-935-1581
Valve Seat Insert
About this product
Zzzy criticality code justification, 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 reference number differentiating characteristics, .
Manufacturer part number 255584 PIECE 21 for national stock number 4820009351581.
Datasheet
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Product description
Valve Seat NSN 4820-00-935-1581.
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MPN or Model
255584 PIECE 21
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Schedule B
8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi) -
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Unit Weight (Est.)
0.5 lb -
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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Valve Seat
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.
Pricing and Availability
Get a quote for 4820-00-935-1581 valve seatManufacturer Part Numbers and Alternates
| MPN manufacturer part number | Registrant or Supplier |
|---|---|
| 255584 PIECE 21 | Huntington Ingalls Incorporated |
| 2119007 PIECE 9DLRN | Naval Ship Systems Command |
| 803-2178493 PIECE 02 | Naval Ship Systems Command |
| 803-2178493-A-02 | Naval Ship Systems Command |
| SS845-2050913 PC6 DLRN | Naval Ship Systems Command |
| SS845-2007669PC10 | Naval Ship Systems Command |
| SS845-2050570PC27 | Naval Ship Systems Command |
| SS845-205234PC7 DLRN | Naval Ship Systems Command |
| SS845-2180931PIECE7DLRN | Naval Ship Systems Command |
| SSN671-515-2048152 PIECE 4DLRN | Naval Ship Systems Command |
| 2640-679X1PIECE7DLRN | Electric Boat Corporation |
| 2640-687X1PC38 | Electric Boat Corporation |
| 2640-820X58 PIECE 29 | Electric Boat Corporation |
| 2640-801X1PIECE21 | Electric Boat Corporation |
| 2640-820X8 PIECE 21 | Electric Boat Corporation |
| 2640-820X8 PIECE 27 | Electric Boat Corporation |
| 2640-822X8 PIECE 38 | Electric Boat Corporation |
| 2640-901-7PIECE15 | Electric Boat Corporation |
| 2641-357-01 ITEM 10 | Electric Boat Corporation |
| 2641-357-03 ITEM 10 | Electric Boat Corporation |
| 2641-357-03 PIECE 10 | Electric Boat Corporation |
| 2641-746 PIECE 24 | Electric Boat Corporation |
| 2642-405-15 ITEM 26 | Electric Boat Corporation |
| 76651-45X13 PIECE 9DLRN | Electric Boat Corporation |
| 256313 PIECE 24 | Huntington Ingalls Incorporated |
| 255771 PIECE 24 | Huntington Ingalls Incorporated |
| 810-2178493PC2 | Naval Sea Systems Command |
| 845-4558777 ITEM 10 | Naval Sea Systems Command |
| 845-4558777 ITEM 10 | Naval Ship Systems Command |
| SS845-2050913 PIECE 38 | Naval Ship Systems Command |
| SS845-2180757 PIECE 37 | Naval Ship Systems Command |
| 2640-337X1PC27 | Electric Boat Corporation |
| 2640-370X1 PIECE 38 | Electric Boat Corporation |
| 2640-370X2 PIECE 37 | Electric Boat Corporation |
| 56-97-0717 | Electric Boat Corporation |
| 810-2177483 PIECE 2 | Naval Sea Systems Command |
| 1425D7QA | Sargent Aerospace & Defense, Llc |
| 2640-370X2 PIECE 37Q3 | Naval Inventory Control Point |
| 71201-89X3 PIECE 4DLRN | Naval Ship Systems Command |
| 2640-246 PIECE 10 | Electric Boat Corporation |
| 2640-337-1 PIECE 7 DLRN | Electric Boat Corporation |
| 2640-337X1 PIECE 7 | Electric Boat Corporation |
| 2640-357X3PC58 | Electric Boat Corporation |
| SS845-2180920 PIECE 15 | Electric Boat Corporation |
| 1425D7QAQ3 | Naval Inventory Control Point |
| 56-97-0717Q3 | Naval Inventory Control Point |
| 2119007 PIECE 9DLRNQ3 | Naval Inventory Control Point |
| 255584 PIECE 21Q3 | Naval Inventory Control Point |
| 255771 PIECE 24Q3 | Naval Inventory Control Point |
| 256313 PIECE 24Q3 | Naval Inventory Control Point |
| 2640-337X1 PIECE 7Q3 | Naval Inventory Control Point |
| 2640-337X1PC27Q3 | Naval Inventory Control Point |
| 2640-246 PIECE 10Q3 | Naval Inventory Control Point |
| 2640-337-1 PIECE 7DLRNQ3 | Naval Inventory Control Point |
| 2640-357X3PC58Q3 | Naval Inventory Control Point |
| 2640-370X1 PIECE 38Q3 | Naval Inventory Control Point |
| 2640-679X1PIECE7DLRNQ3 | Naval Inventory Control Point |
| 2640-687X1PC38Q3 | Naval Inventory Control Point |
| 2640-801X1 PIECE 21Q3 | Naval Inventory Control Point |
| 2640-820X58 PIECE 29Q3 | Naval Inventory Control Point |
| 2640-820X8 PIECE 21Q3 | Naval Inventory Control Point |
| 2640-820X8 PIECE 27Q3 | Naval Inventory Control Point |
| 2640-822X8 PIECE 38Q3 | Naval Inventory Control Point |
| 2640-901X7 PIECE 15Q3 | Naval Inventory Control Point |
| 2641-357-01 ITEM 10Q3 | Naval Inventory Control Point |
| 2641-357-03 ITEM 10Q3 | Naval Inventory Control Point |
| 2641-746 PIECE 21Q3 | Naval Inventory Control Point |
| 2641-746 PIECE 24Q3 | Naval Inventory Control Point |
| 2642-405-15 ITEM 26Q3 | Naval Inventory Control Point |
| 845-2109896PC9Q3 | Naval Inventory Control Point |
| 845-4558777 ITEM 10Q3 | Naval Inventory Control Point |
| 71201-89X3 PIECE 4DLRNQ3 | Naval Inventory Control Point |
| 76651-45X13 PIECE 9DLRNQ3 | Naval Inventory Control Point |
| 803-2178493 PIECE 02Q3 | Naval Inventory Control Point |
| 803-2178493 PIECE 2Q3 | Naval Inventory Control Point |
| 803-2178493-A-02Q3 | Naval Inventory Control Point |
| 810-2178493 PIECE 2Q3 | Naval Inventory Control Point |
| SSN671-515-2048152PIECE4DLRNQ3 | Naval Inventory Control Point |
| SS845-2007669PC10Q3 | Naval Inventory Control Point |
| SS845-2050570PC27Q3 | Naval Inventory Control Point |
| SS845-2050913 PIECE 38Q3 | Naval Inventory Control Point |
| SS845-2050913 PIECE 6DLRNQ3 | Naval Inventory Control Point |
| SS845-205234PC7 DLRNQ3 | Naval Inventory Control Point |
| SS845-2180931 PIECE 7DLRNQ3 | Naval Inventory Control Point |
| SS845-2180757 PIECE 37Q3 | Naval Inventory Control Point |
| SS845-2180920 PIECE 15Q3 | Naval Inventory Control Point |
| 845-2109896PC9 | Naval Ship Systems Command |
| 845-8616959 ITEM 20 | Naval Sea Systems Command |
| 2644-820-08 ITEM 20 | Electric Boat Corporation |
Stock Check
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