The Disk,rupturable, cataloged under National Stock Number 4820-01-463-4924, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-463-4924 |
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Disk Material | ALUMINUM AND PLASTIC |
| Burst Pressure | 82.0 PRESSURE POUNDS PER SQUARE INCH GAGE |
| Criticality Code Justification | ZZZY |
| Burst Temperature | 120.0 FAHRENHEIT DEGF |
| Features Provided | VINYL COATED |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 19N0002 | C/1 Advisory reference — outside the item-of-supply concept Chart Inc Div Distribution and Storage |
| 1598AS140 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| TYPE B 82 PSIG + 9 -4PSIG | 3/1 Design control — primary reference Bs&b Safety Systems Llc |
| 1598AS140-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1598AS140-1 | C/1 Advisory reference — outside the item-of-supply concept Bs&b Safety Systems Llc |
NSN 4820-01-463-4924 is a Disk,rupturable, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-463-4924: Disk Material: ALUMINUM AND PLASTIC; Burst Pressure: 82.0 PRESSURE POUNDS PER SQUARE INCH GAGE; Criticality Code Justification: ZZZY; Burst Temperature: 120.0 FAHRENHEIT DEGF. 6 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.