The Valve,bypass Diverter, cataloged under National Stock Number 4820-01-300-8566, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division. Government technical data includes 1 specification, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-300-8566 |
| Primary Part Number | 926582 |
| Item Name | Valve,bypass Diverter |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| Status | ACTIVE |
| General Characteristics Item Description | GLASS-FILLED NYLON; CONE-SHAPED BODY; PETROLEUM-BASED HYDRAULIC OIL SERVICE; OPERATING TEMPERATURE -40 DEG TO 250 DEG F; 1 INLET,1 OUTLET AND VALVE BOTTOM OPEN DEGF |
| 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 |
|---|---|
| 926582 PRIMARY | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA) |
NSN 4820-01-300-8566 is a Valve,bypass Diverter, manufactured by Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-300-8566 has 1 manufacturer part number on file: 926582 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-7121. Verify interchangeability with system specifications before substitution.
Key specifications for 926582: General Characteristics Item Description: GLASS-FILLED NYLON; CONE-SHAPED BODY; PETROLEUM-BASED HYDRAULIC OIL SERVICE; OPERATING TEMPERATURE -40 DEG TO 250 DEG F; 1 INLET,1 OUTLET AND VALVE BOTTOM OPEN DEGF. 1 specification is 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.