The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-025-0459, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-025-0459 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10-3204-17 | 5/9 Secondary reference U.S. Government activity |
| W1121-8-5.5 | 5/1 Secondary reference U.S. Government activity |
| 1121-8-5.5 | 5/9 Secondary reference U.S. Government activity |
| MIL-V-8566 | 4/1 Identification reference U.S. Government activity |
| MS28886-8-5.5 | 2/2 Government specification standardization U.S. Government activity |
| 1121-8-5.5 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-025-0459 is a Valve,calibrated Flow, classified under FSC 4820, Valves, Nonpowered. Status: active.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-025-0459 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.