The Valve,check, cataloged under National Stock Number 4820-01-663-9062, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-663-9062 |
| Primary Part Number | VCL6F05AV |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.375 INCHES IN |
| Nominal Thread Size | 0.563 INCHES ALL ENDS IN |
| Face to Face Distance | 1.750 INCHES IN |
| Thread Quantity Per Inch | 18 ALL ENDS |
| Material | STEEL BODY |
| Material | RUBBER FLUOROCARBON CLASS FPM PACKING |
| Thread Series Designator | UNF 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 |
|---|---|
| VCL6F05AV PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
NSN 4820-01-663-9062 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-663-9062 has 1 manufacturer part number on file: VCL6F05AV (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for VCL6F05AV: Connection Type: THREADED EXTERNAL BOSS ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.375 INCHES IN. 11 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.