The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-334-0681, 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 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-334-0681 |
| Primary Part Number | DF330618, FIND NO. 4 & 5Q3 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| End Item Source | 53711 |
| Criticality Code Justification | ZZZY |
| End Item Name | BALL VALVE |
| 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| DF330618, FIND NO. 4 & 5Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211069125/211033864Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6404589 FIND 4,5Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 211069125/211033864 | 5/1 Secondary reference Naval Sea Systems Command |
| 801-6404589 FIND 4,5 | 3/1 Design control — primary reference Naval Sea Systems Command |
| DF330618, FIND NO. 4 & 5 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4820-01-334-0681 is a Parts Kit,ball Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-334-0681 has 3 manufacturer part numbers on file: DF330618, FIND NO. 4 & 5Q3 (Naval Inventory Control Point Mechanicsburg), 211069125/211033864Q3 (Naval Inventory Control Point Mechanicsburg), 801-6404589 FIND 4,5Q3 (Naval Inventory Control Point Mechanicsburg).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-431-1132, 4820-01-633-3677. Verify interchangeability with system specifications before substitution.
Key specifications for DF330618, FIND NO. 4 & 5Q3: End Item Source: 53711; Criticality Code Justification: ZZZY; End Item Name: BALL VALVE; End Item Identification: 801-6404589. 4 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.
NSN 4820-01-334-0681 has DEMIL Code B. 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.