The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-417-2781, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydac Corp. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-417-2781 |
| Primary Part Number | DV20-1.1/12 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydac Corp |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Thread Class | 2B |
| First End Style Designator | GASKET SEAL |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL BOSS |
| Material | STEEL BODY |
| Thread Size and Series/type Designator | 1 5/16-12 UN FIRST END |
| Valve Discharge Flow Rate | 100.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| DV20-1.1/12 PRIMARY | Hydac Corp (USA) |
| D-452-102 ITEM H | Pacific Powertech Llc (USA) |
NSN 4820-01-417-2781 is a Valve,calibrated Flow, manufactured by Hydac Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-417-2781 has 2 manufacturer part numbers on file: DV20-1.1/12 (Hydac Corp), D-452-102 ITEM H (Pacific Powertech Llc).
Key specifications for DV20-1.1/12: Flow Control Device: NEEDLE; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 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.