The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-384-1231, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Inc. Government technical data includes 2 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 | 4820-01-384-1231 |
| Primary Part Number | OSQB4-150F0086 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Danfoss Inc |
| Status | ACTIVE |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| OSQB4-150F0086 PRIMARY | Danfoss Inc (USA) |
| 234185 | Allied Systems Company Dba Allied Systems Co (USA) |
NSN 4820-01-384-1231 is a Valve,calibrated Flow, manufactured by Danfoss Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-384-1231 has 2 manufacturer part numbers on file: OSQB4-150F0086 (Danfoss Inc), 234185 (Allied Systems Company Dba Allied Systems Co).
Key specifications for OSQB4-150F0086: Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE; Maximum Inlet Pressure Rating: ERR-060. 2 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.