The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-461-2981, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-461-2981 |
| Primary Part Number | 6404929 FIND 1,2 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Supply Items and Quantities | "43689 DF330633 FIND 1 VALVE,BALL 1;43689 DF330633 FIND 2 SEAT,BALL 2" |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6404929 FIND 1,2 PRIMARY | Naval Sea Systems Command (USA) |
| DF330633 FIND 1,2 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 801-6404929 FIND 1,2 | 5/9 Secondary reference Naval Sea Systems Command |
| DF330633 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6404929 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-461-2981 is a Parts Kit,ball Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-461-2981 has 2 manufacturer part numbers on file: 6404929 FIND 1,2 (Naval Sea Systems Command), DF330633 FIND 1,2 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 6404929 FIND 1,2: Supply Items and Quantities: "43689 DF330633 FIND 1 VALVE,BALL 1;43689 DF330633 FIND 2 SEAT,BALL 2"; End Item Identification: SEAWOLF CLASS SSN. 1 specification is 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.