The Cartridge,check Valve, cataloged under National Stock Number 4820-01-419-8544, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fluid Power Sales Inc. Government technical data includes 3 specifications, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-419-8544 |
| Primary Part Number | CV08-20-0-N-4 |
| Item Name | Cartridge,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fluid Power Sales Inc |
| Status | ACTIVE |
| Operating Pressure | 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Maximum Operating Temp | 120.0 CELSIUS DEGC |
| Material | STEEL |
| 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 |
|---|---|
| CV08-20-0-N-4 PRIMARY | Fluid Power Sales Inc (USA) |
NSN 4820-01-419-8544 is a Cartridge,check Valve, manufactured by Fluid Power Sales Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-419-8544 has 1 manufacturer part number on file: CV08-20-0-N-4 (Fluid Power Sales Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-513-7421, 4820-01-623-9459. Verify interchangeability with system specifications before substitution.
Key specifications for CV08-20-0-N-4: Operating Pressure: 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Maximum Operating Temp: 120.0 CELSIUS DEGC; End Item Identification: SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); Material: STEEL. 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.