The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-409-0050, 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 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-409-0050 |
| Primary Part Number | 7712 ITEM SP3 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 2 |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Series Designator | NPTF |
| Valve Operation Method | MANUAL |
| Spool Position Quantity | 3 |
| 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 |
|---|---|
| 7712 ITEM SP3 | Naval Sea Systems Command (USA) |
| 7712 ITEM SP2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| PD2-31-98-11 | 3/9 Design control — primary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| PD20031-9811 | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| 7712 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-409-0050 is a Valve,linear,directional Control, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-409-0050 has 2 manufacturer part numbers on file: 7712 ITEM SP3 (Naval Sea Systems Command), 7712 ITEM SP2 (Naval Sea Systems Command).
Key specifications for 7712 ITEM SP3: Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 2; Nominal Thread Size: 0.250 INCHES IN; Thread Series Designator: NPTF. 6 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.