The Valve,hold,boom Hoist Cylinder, cataloged under National Stock Number 4820-01-523-9228, 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 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-523-9228 |
| Primary Part Number | CBEA-LHN-YVU/S |
| Item Name | Valve,hold,boom Hoist Cylinder |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| End Connection Quantity | 11 |
| Material | IRON BODY |
| Pilot Ratio | 3 TO 13 TO 1 |
| Valve Discharge Flow Rate | 30.0 GALLONS PER MINUTE30.0 GALLONS PER MINUTE |
| Valve Operation Method | PILOTPILOT |
| 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 |
|---|---|
| LT27332 ITEM 22 | Hystat Systems Ltd (GBR) |
| CBEA-LHN-YVU/S PRIMARY | Sun Hydraulics Corporation (USA) |
| LT27331 REV B ITEM 22 | Hystat Systems Ltd (GBR) |
NSN 4820-01-523-9228 is a Valve,hold,boom Hoist Cylinder, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-523-9228 has 3 manufacturer part numbers on file: LT27332 ITEM 22 (Hystat Systems Ltd), CBEA-LHN-YVU/S (Sun Hydraulics Corporation), LT27331 REV B ITEM 22 (Hystat Systems Ltd).
Key specifications for CBEA-LHN-YVU/S: End Connection Quantity: 11; Special Features: ASSEMBLY INCLUDES DUTILE IRON BODY MANUFACTURED BY SUN HYDRAULICS IN THE UK AND ASSEMBLED WITH THE CARTRIDGE IN THE USAASSEMBLY INCLUDES DUTILE IRON BODY MANUFACTURED BY SUN HYDRAULICS IN THE UK AND ASSEMBLED WITH THE CARTRIDGE IN THE USA; Part Name Assigned by Controlling Agency: 3 ; 1 PILOT RATIO, STANDARD, COUNTERBALANCE VALVE3 ; 1 PILOT RATIO, STANDARD, COUNTERBALANCE VALVE; End Item Identification: MAIN LUFFING AND SLEWING CYLINDERSMAIN LUFFING AND SLEWING CYLINDERS. 5 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.