The Valve,regulating,oxygen System P, cataloged under National Stock Number 4820-01-444-6528, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-444-6528 |
| Item Name | Valve,regulating,oxygen System P |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Second End Relationship with First End | NOT IDENTICAL |
| Remote Actuation Method | SOLENOID |
| Body Style | ANGLE |
| Temp Rating | -30.0 FAHRENHEIT MINIMUM AND 70.0 FAHRENHEIT MAXIMUM DEGF |
| First Connection Face to Centerline Distance | 1.800 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV AND CXCY |
| End Connection Quantity | 2 |
| Manual Control Method | LEVER |
| Mounting Facility | STUD |
| Second Connection Face to Centerline Distance | 0.947 INCHES NOMINAL IN |
| Media for Which Designed | OXYGEN, GASEOUS |
| 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 | Y |
| Reference | Meaning |
|---|---|
| 17B1N8024-1 | 7/1 Vendor item drawing reference U.S. Government activity |
| 410310-5 | 3/9 Design control — primary reference Sabre Industries Inc |
NSN 4820-01-444-6528 is a Valve,regulating,oxygen System P, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-484-1014. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-444-6528: Second End Relationship with First End: NOT IDENTICAL; Remote Actuation Method: SOLENOID; Body Style: ANGLE; Temp Rating: -30.0 FAHRENHEIT MINIMUM AND 70.0 FAHRENHEIT MAXIMUM DEGF. 12 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.