The Locking Device,valve, cataloged under National Stock Number 4820-01-667-9019, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-667-9019 |
| Primary Part Number | 801-6404994 ASSY 96 |
| Item Name | Locking Device,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 801-6404994 ASSY 96 PRIMARY | Naval Sea Systems Command (USA) |
| 551-7068558-F284 | Naval Sea Systems Command (USA) |
| DF330811 ASSY 96 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 551-7068555-F285 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H845-3102-F284 | 5/2 Secondary reference U.S. Government activity |
| 211040696 | 5/2 Secondary reference U.S. Government activity |
| H845-3002-F285 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-667-9019 is a Locking Device,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-667-9019 has 4 manufacturer part numbers on file: 801-6404994 ASSY 96 (Naval Sea Systems Command), 551-7068558-F284 (Naval Sea Systems Command), DF330811 ASSY 96 (Huntington Ingalls Inc Div Newport News Shipbuilding), 551-7068555-F285 (Naval Sea Systems Command).
Key specifications for 801-6404994 ASSY 96: End Item Identification: VALVE. 0 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.