The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-209-0438, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-209-0438 |
| Primary Part Number | C9437 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 3 |
| Nominal Thread Size | 0.375 INCHES IN |
| Spool Quantity | 1 |
| Body Material | ALUMINUM ALLOY |
| Thread Series Designator | NPT |
| Valve Operation Method | MANUAL |
| Flow Pattern Quantity | 3 |
| 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 |
|---|---|
| C9437 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| Reference | Meaning |
|---|---|
| C94-37 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| C94-37M17ANC | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-209-0438 is a Valve,linear,directional Control, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-209-0438 has 1 manufacturer part number on file: C9437 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).
Key specifications for C9437: Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 3; Nominal Thread Size: 0.375 INCHES IN; Spool Quantity: 1. 9 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.