The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-612-3035, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-612-3035 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Temp Rating | 32.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Valve Size | 1.0 INCHES IN |
| Valve Discharge Flow Rate | 13.0 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 |
| Reference | Meaning |
|---|---|
| 2307-1221-1 IN | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-612-3035 is a Valve,calibrated Flow, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-612-3035: Temp Rating: 32.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF; Valve Size: 1.0 INCHES IN; Special Features: 15-150 PSID PRESSURE DIFFERENTIAL RANGE; CONSTANT FLOW; 1 INCH PIPE SIZE; RUBBER FLEXIBLE DIAPHRAGM; 3-19/32 OVERALL LENGTH; 2-7/8 INCH DIAMETER ACROSS CORNERS IN; Valve Discharge Flow Rate: 13.0 GALLONS PER MINUTE. 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.