The Valve,rotary,selector, cataloged under National Stock Number 4820-01-443-6578, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-443-6578 |
| Primary Part Number | DM104LD1X4879 |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Flow Control Device | PORTED ROTOR |
| Maximum Operating Temp and Media for Which Designed | 200.0 FAHRENHEIT OIL, HYDRAULIC DEGF |
| Operating Pressure and Type | 3500.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC OIL MAXIMUM REQUIRED LBS |
| Connection Type | THREADED EXTERNAL PIPE |
| Valve Size | 0.625 INCHES IN |
| Features Provided | CLOSED CENTER |
| Flow Type | FOUR-WAY |
| Nominal Thread Size | 0.875 INCHES IN |
| Body Material | STEEL |
| Connection Location | SIDE |
| Thread Class | 2A A |
| Connection Quantity | 2 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| DM104LD1X4879 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| DM104LD1X4879 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| DM104LD1X4879 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4820014436578 | 5/9 Secondary reference E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4820-01-443-6578 is a Valve,rotary,selector, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-443-6578 has 3 manufacturer part numbers on file: DM104LD1X4879 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), DM104LD1X4879 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), DM104LD1X4879 (Amz Alabama Inc.).
Key specifications for DM104LD1X4879: Flow Control Device: PORTED ROTOR; Maximum Operating Temp and Media for Which Designed: 200.0 FAHRENHEIT OIL, HYDRAULIC DEGF; Operating Pressure and Type: 3500.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC OIL MAXIMUM REQUIRED LBS; Connection Type: THREADED EXTERNAL PIPE. 14 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.