The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-345-5707, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-345-5707 |
| Primary Part Number | 801-6404951-3,4QA |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Component Quantity | 2 |
| End Item Source | 53711 |
| Criticality Code Justification | ZZZY |
| End Item Name | VALVE |
| Reference Number Differentiating Characteristics | QUALITY ASSURANCE TESTED FOR SURFFACE OR SUBMARINE APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Part Number | Manufacturer |
|---|---|
| 801-6404951-3,4QA | Naval Inventory Control Point Mechanicsburg (USA) |
| 211036574 AND 211036577 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 801-6404951-3,4 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4820-01-345-5707 is a Parts Kit,ball Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-345-5707 has 2 manufacturer part numbers on file: 801-6404951-3,4QA (Naval Inventory Control Point Mechanicsburg), 211036574 AND 211036577 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-443-8689. Verify interchangeability with system specifications before substitution.
Key specifications for 801-6404951-3,4QA: Component Quantity: 2; End Item Source: 53711; Criticality Code Justification: ZZZY; End Item Name: VALVE. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.