The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-072-4794, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-072-4794 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL TUBE |
| Surface Treatment | ANODIZE OUTSIDE |
| First End Outside Diameter Tube Accommodated | 0.625 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY BODY |
| Media for Which Designed | HYDRAULIC OIL |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 7/8-14 UNF FIRST END |
| Valve Discharge Flow Rate | 9.5 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 |
|---|---|
| 1121S1-10-9-5 | 5/9 Secondary reference U.S. Government activity |
| 10-3204-3 | 3/2 Design control — primary reference U.S. Government activity |
| 1121S1-10-9-5 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-072-4794 is a Valve,calibrated Flow, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-072-4794: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; End Connection Quantity: 2; First End Connection Type: THREADED INTERNAL TUBE. 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.