The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-424-2591, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-424-2591 |
| Primary Part Number | YMD-6701-R |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| End Connection Quantity | 2 |
| Spool Quantity | 1 |
| Body Material | STEEL |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| MP08-20J-0-N | Hydraforce Inc (USA) |
| YMD-6701-R PRIMARY | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| YMD-6701-R | 5/9 Secondary reference Hydraforce Inc |
NSN 4820-01-424-2591 is a Valve,linear,directional Control, manufactured by Appleton Marine Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-424-2591 has 2 manufacturer part numbers on file: MP08-20J-0-N (Hydraforce Inc), YMD-6701-R (Appleton Marine Inc).
Key specifications for YMD-6701-R: End Connection Quantity: 2; Spool Quantity: 1; Body Material: STEEL; Special Features: CARTRIDGE TYPE; RED PLASTIC KNOB/SPRING RETURN. 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.