The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-379-0574, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-379-0574 |
| Primary Part Number | R978850562 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LEVER |
| Spool Quantity | 1 |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1378AS138-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| R978850562 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| 850562 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 4820-01-379-0574 is a Valve,linear,directional Control, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-379-0574 has 2 manufacturer part numbers on file: 1378AS138-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), R978850562 (Bosch Rexroth Corporation Div Industrial Hydraulics).
Key specifications for R978850562: Furnished Items and Quantity: 1 LEVER; Spool Quantity: 1; Special Features: MFR DESCRIBES AS VALVE, DIRECTIONAL CONTROL; End Item Identification: SPECIAL ACFT AND ENG TOOLS, SUPPORT EQUIP AND PARTS. 3 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 4820-01-379-0574 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.