The Valve,safety Relief, cataloged under National Stock Number 4820-01-198-3666, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-198-3666 |
| Primary Part Number | 585-900-036 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-A-225/6 ALLOY 2024 T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 585-900-036 | Schneider Electric Systems Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 585-900-036 | 3/2 Design control — primary reference U.S. Government activity |
| 585-900-036 | 5/9 Secondary reference Sabre Industries Inc |
NSN 4820-01-198-3666 is a Valve,safety Relief, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-198-3666 has 1 manufacturer part number on file: 585-900-036 (Schneider Electric Systems Usa Inc).
Key specifications for 585-900-036: Flow Control Device: DISK; Style Designator: STRAIGHT THRU; Material Document and Classification: QQ-A-225/6 ALLOY 2024 T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: ALUMINUM ALLOY 2024 OVERALL. 5 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.