The Disk,rupturable, cataloged under National Stock Number 4820-01-340-0471, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Continental Disc Corporation, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-340-0471 |
| Primary Part Number | 8216537A |
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Continental Disc Corporation, Llc |
| Status | ACTIVE |
| Disk Material | ALUMINUM |
| Burst Pressure | 85.0 PRESSURE POUNDS PER SQUARE INCH GAGE |
| Disk Size | 0.500 INCHES IN |
| 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 |
|---|---|
| 8216537A PRIMARY | Continental Disc Corporation, Llc (USA) |
| Reference | Meaning |
|---|---|
| 124875 | 5/9 Secondary reference Continental Disc Corporation, Llc |
NSN 4820-01-340-0471 is a Disk,rupturable, manufactured by Continental Disc Corporation, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-340-0471 has 1 manufacturer part number on file: 8216537A (Continental Disc Corporation, Llc).
Key specifications for 8216537A: Disk Material: ALUMINUM; Burst Pressure: 85.0 PRESSURE POUNDS PER SQUARE INCH GAGE; Special Features: POLYTETRAFLUOROETHYLENE COATING ON PROCESSED SIDE; 82 TO 94 PSIG RANGE; 80 DEG F TEMP MAX DEGF; Disk Size: 0.500 INCHES IN. 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.