The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-192-8074, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Instrumentation Products Division. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-192-8074 |
| Primary Part Number | CPI4M-V4LK-B |
| Item Name | Valve,vacuum Regulating |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Instrumentation Products Division |
| Status | ACTIVE |
| Second End Relationship with First End | IDENTICAL |
| End Connection Quantity | 2 |
| Body Material | COPPER ALLOY |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Temp Adjustability | NOT ADJUSTABLE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Media for Which Designed | ANY ACCEPTABLE |
| 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 |
|---|---|
| CPI4M-V4LK-B PRIMARY | Parker-Hannifin Corp Div Instrumentation Products Division (USA) |
| Reference | Meaning |
|---|---|
| CPI4M-V4LK-B | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-192-8074 is a Valve,vacuum Regulating, manufactured by Parker-Hannifin Corp Div Instrumentation Products Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-192-8074 has 1 manufacturer part number on file: CPI4M-V4LK-B (Parker-Hannifin Corp Div Instrumentation Products Division).
Key specifications for CPI4M-V4LK-B: Second End Relationship with First End: IDENTICAL; End Connection Quantity: 2; Body Material: COPPER ALLOY; First End Connection Type: THREADED EXTERNAL PIPE. 7 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.