The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-031-0315, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tactair Fluid Controls Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-031-0315 |
| Primary Part Number | 5815-2 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 5815-2 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 5815-2 | 3/9 Design control — primary reference Tactair Fluid Controls Inc Phoenix Controls Div |
NSN 4820-01-031-0315 is a Valve,linear,directional Control, manufactured by Tactair Fluid Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-031-0315 has 1 manufacturer part number on file: 5815-2 (Tactair Fluid Controls Inc).
Key specifications for 5815-2: Special Features: 3 PORTS 0.562-18 UNJF 3B THD PER MS33649-06,MANUAL ACTUATION HIGH PRESSURE PORT,PRESSURE ACTUATION LOW PRESSURE PORT,BRAKE PORT,OPERATING PRESSURE 3000.0 PSI,0.312 IN. TRAVEL,U/W HYDRAULIC FLUID MIL-H-5606,4 MTG HOLES 0.220 IN. MIN AND 0.227 IN. MAX,MANUAL ACTUATED RESET LATCH IN. 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.
NSN 4820-01-031-0315 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.