The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-238-7009, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-238-7009 |
| Primary Part Number | MHH20-N6S-40A-4 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| Status | ACTIVE |
| Material | ALUMINUM BODY |
| Media for Which Designed | HYDRAULIC OILHYDRAULIC OIL |
| Maximum Inlet Pressure Rating | ERR-060 |
| Valve Discharge Flow Rate | 20.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| MHH20-N6S-40A-4 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| Reference | Meaning |
|---|---|
| 835025H3601 | 7/1 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 4820-01-238-7009 is a Valve,calibrated Flow, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-238-7009 has 1 manufacturer part number on file: MHH20-N6S-40A-4 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
Key specifications for MHH20-N6S-40A-4: Material: ALUMINUM BODY; Media for Which Designed: HYDRAULIC OILHYDRAULIC OIL; Maximum Inlet Pressure Rating: ERR-060; Valve Discharge Flow Rate: 20.0 GALLONS PER MINUTE. 4 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.