The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-450-2039, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rapid Control Service. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-450-2039 |
| Primary Part Number | 82A-AB-BAA-RA |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rapid Control Service |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PILOT VALVE |
| Maximum Operating Temp and Media for Which Designed | 120.0 FAHRENHEIT AIR DEGF |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 4 |
| Nominal Thread Size | 0.250 INCHES IN |
| Spool Quantity | 1 |
| Body Material | ALUMINUM ALLOY |
| Thread Series Designator | NPTF |
| Valve Operation Method | AIR |
| Flow Pattern Quantity | 4 |
| Spool Position Quantity | 2 |
| 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 |
|---|---|
| 82A-AB-BAA-RA | Rapid Control Service (USA) |
| Reference | Meaning |
|---|---|
| 82A-AB-BAA-RA | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-450-2039 is a Valve,linear,directional Control, manufactured by Rapid Control Service, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-450-2039 has 1 manufacturer part number on file: 82A-AB-BAA-RA (Rapid Control Service).
Key specifications for 82A-AB-BAA-RA: Furnished Items and Quantity: 1 PILOT VALVE; Maximum Operating Temp and Media for Which Designed: 120.0 FAHRENHEIT AIR DEGF; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Connection Type: THREADED INTERNAL PIPE. 12 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.