The Valve,check, cataloged under National Stock Number 4820-01-202-9599, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fincantieri S.p.a. Div Direzione Navi Militari. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-202-9599 |
| Primary Part Number | CV2-20-P-0-5 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fincantieri S.p.a. Div Direzione Navi Militari |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.625 INCHES ALL ENDS IN |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL BODY |
| Thread Series Designator | UN ALL ENDS |
| 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 |
|---|---|
| CV2-20-P-0-5 | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| CV2-20-P-0-5 | Eaton Industries (italy) Srl (ITA) |
| Reference | Meaning |
|---|---|
| CV2-20-P-X-XX | D/9 Drawing number reference only Modular Controls Corp |
| CV2-20-P-0-5 | 3/9 Design control — primary reference Modular Controls Corp |
NSN 4820-01-202-9599 is a Valve,check, manufactured by Fincantieri S.p.a. Div Direzione Navi Militari, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-202-9599 has 2 manufacturer part numbers on file: CV2-20-P-0-5 (Fincantieri S.p.a. Div Direzione Navi Militari), CV2-20-P-0-5 (Eaton Industries (italy) Srl).
Key specifications for CV2-20-P-0-5: Flow Control Device: POPPET; Connection Style: PLAIN (TUBE) ALL ENDS; Mounting Position: HORIZONTAL; Connection Type: THREADED CARTRIDGE ALL ENDS. 14 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.