The Servovalve,hydraulic, cataloged under National Stock Number 4820-01-171-0149, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Scientific Atlanta Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Raytheon Company (CAGE 54X10); Scientific Atlanta Inc (CAGE 10110); Raytheon Company Dba Raytheon Co (CAGE 3B150) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-171-0149 |
| Primary Part Number | 164292 |
| Item Name | Servovalve,hydraulic |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Scientific Atlanta Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 570865-4 | Raytheon Company (USA) |
| 164292 PRIMARY | Scientific Atlanta Inc (USA) |
| 570865-4 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 570865-4 | 5/9 Secondary reference Raytheon Company Div Corp |
| 570865-4 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Dba Raytheon Co |
NSN 4820-01-171-0149 is a Servovalve,hydraulic, manufactured by Scientific Atlanta Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-171-0149 has 3 manufacturer part numbers on file: 570865-4 (Raytheon Company), 164292 (Scientific Atlanta Inc), 570865-4 (Raytheon Company Dba Raytheon Co).
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 4820-01-171-0149 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.