The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-680-5731, 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 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-680-5731 |
| Primary Part Number | CBBDLDN/LH |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Body Material | STEEL |
| Valve Discharge Flow Rate | 10.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| CBBDLDN/LH PRIMARY | Sun Hydraulics Corporation (USA) |
| A231005000043 | Cnim Systemes Industriels (FRA) |
NSN 4820-01-680-5731 is a Valve,linear,directional Control, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-680-5731 has 2 manufacturer part numbers on file: CBBDLDN/LH (Sun Hydraulics Corporation), A231005000043 (Cnim Systemes Industriels).
Key specifications for CBBDLDN/LH: Body Material: STEEL; Special Features: SEAL MATERIAL BUNA-N, CONTROL STANDARD SCREW ADJUSTMENT, ADJUSTMENT SCREW INTERNAL HEX SIZE 5/32 IN., FUNCTIONAL SETTING RANGE 1000 - 2500 PSI W/4 PSI CHECK, MAXIMUM RECOMMENDED LOAD PRESSURE AT MAXIMUM SETTING 3850 PSI, CAVITY T-11A, PILOT RATIO 4.5:1, MAXIMUM VALVE LEAKAGE AT RESEAT 5 DROPS/MIN., VALVE HEX SIZE 7/8 IN., LOCKNUT HEX SIZE 9/16 IN., 3-PORT NON-VENTED, 2000 PSI (140 BAR) STANDARD SETTING A; Part Name Assigned by Controlling Agency: SEMI-RESTRICTIVE COUNTERBALANCE VALVE; Valve Discharge Flow Rate: 10.0 GALLONS PER MINUTE. 2 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.