The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-644-6528, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-644-6528 |
| Primary Part Number | CBGA LHN HBL |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| End Connection Quantity | 3 |
| Body Material | ALUMINUM ALLOY 6061 |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| CBGA LHN HBL PRIMARY | Sun Hydraulics Corporation (USA) |
| F178703 ITEM 33 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CRGA LHN HBL | 5/9 Secondary reference Sun Hydraulics Corporation |
NSN 4820-01-644-6528 is a Valve,linear,directional Control, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-644-6528 has 2 manufacturer part numbers on file: CBGA LHN HBL (Sun Hydraulics Corporation), F178703 ITEM 33 (Lake Shore Systems, Inc.).
Key specifications for CBGA LHN HBL: End Connection Quantity: 3; Body Material: ALUMINUM ALLOY 6061; Part Name Assigned by Controlling Agency: 3:1 PILOT RATION, STANDARD CAP COUNTERBALANCE VALVE ASSY; Valve Operation Method: AUTOMATIC. 3 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.