The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-659-3759, 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 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-659-3759 |
| Primary Part Number | CBBA-LHN/AP |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| CBBA-LHN/AP PRIMARY | Sun Hydraulics Corporation (USA) |
| 91984720 | Thales Sa (FRA) |
NSN 4820-01-659-3759 is a Valve,regulating,fluid Pressure, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-659-3759 has 2 manufacturer part numbers on file: CBBA-LHN/AP (Sun Hydraulics Corporation), 91984720 (Thales Sa).
Key specifications for CBBA-LHN/AP: Special Features: STANDARD SCREW ADJUSTMENT, 1000-4000PSI W/25PSI CHECK, 70-280 BAR W/1,7 BAR CHECH, 300PSI 210BAR STANDARD SETTING, SEAL MATERIAL BUNA-N, MAX VALVE LEAKAGE AT RESEAT 5 DROPS/MIN, VALVE HEX SIZE 7/8IN, ADJUSTMENT SCREWW INTERNAL HEX SIZE 5/32IN, IN; Part Name Assigned by Controlling Agency: 3:1 PILOT RATIO, RESTRICTIVE COUNTERBALANCE VALVE; Material: STEEL CORROSION RESISTING BODY. 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.