The Disk,rupturable, cataloged under National Stock Number 4820-01-406-8873, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rix Industries. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-406-8873 |
| Primary Part Number | 33-ADSC1001 |
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Disk Material | SILVER |
| Burst Pressure | 300.0 PRESSURE POUNDS PER SQUARE INCH GAGE |
| Cross-Sectional Shape | FLAT |
| 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 |
|---|---|
| 33-ADSC1001 | Rix Industries (USA) |
| ADSC1001 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ADSC1001 | 3/9 Design control — primary reference U.S. Government activity |
| ADSC1001 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| ADSC1001 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
NSN 4820-01-406-8873 is a Disk,rupturable, manufactured by Rix Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-406-8873 has 2 manufacturer part numbers on file: 33-ADSC1001 (Rix Industries), ADSC1001 (Naval Sea Systems Command).
Key specifications for 33-ADSC1001: Disk Material: SILVER; Burst Pressure: 300.0 PRESSURE POUNDS PER SQUARE INCH GAGE; Cross-Sectional Shape: FLAT. 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.