The Disk,valve, cataloged under National Stock Number 4820-01-323-3256, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-323-3256 |
| Primary Part Number | I-1284-V PART 82161-T12 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 170.0 FAHRENHEIT NOMINAL DEGF |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| I-1284-V PART 82161-T12 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 82161-T12 | C/1 Advisory reference — outside the item-of-supply concept Schneider Electric Systems Usa Inc |
| I-1284-V | D/9 Drawing number reference only Schneider Electric Systems Usa Inc |
NSN 4820-01-323-3256 is a Disk,valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-323-3256 has 1 manufacturer part number on file: I-1284-V PART 82161-T12 (Schneider Electric Systems Usa Inc).
Key specifications for I-1284-V PART 82161-T12: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 170.0 FAHRENHEIT NOMINAL DEGF; Material: COPPER ALLOY. 3 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.