The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-338-4451, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-338-4451 |
| Primary Part Number | 2640-800X2PC812640-801X3PC11Q3 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2640-800X2PC812640-801X3PC11Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2285-301 PIECE 3,4Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-800X2 PC 81 2640-801X3 PQ3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2640-800X2PC812640-801X3PC11 | 5/1 Secondary reference U.S. Government activity |
| 2640-800X2 PC 81 2640-801X3 P | 5/1 Secondary reference Bae Systems Land & Armaments L.p. |
| 2285-301 PIECE 3,4 | 3/1 Design control — primary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4820-01-338-4451 is a Parts Kit,ball Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-338-4451 has 3 manufacturer part numbers on file: 2640-800X2PC812640-801X3PC11Q3 (Naval Inventory Control Point Mechanicsburg), 2285-301 PIECE 3,4Q3 (Naval Inventory Control Point Mechanicsburg), 2640-800X2 PC 81 2640-801X3 PQ3 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-485-2023. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-338-4451 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.