The Disk,valve, cataloged under National Stock Number 4820-01-435-4224, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grinnell Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-435-4224 |
| Primary Part Number | 0204030 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grinnell Corp |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 0204030 PRIMARY | Grinnell Corp (USA) |
| Reference | Meaning |
|---|---|
| V350120500 | 5/9 Secondary reference Grinnell Corp |
| V350120500 | C/1 Advisory reference — outside the item-of-supply concept Anvil Products Inc Sales Dept |
NSN 4820-01-435-4224 is a Disk,valve, manufactured by Grinnell Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-435-4224 has 1 manufacturer part number on file: 0204030 (Grinnell Corp).
Key specifications for 0204030: Special Features: USED ON 1IN GLOBE VALVE, MODEL 830-5311 IN; End Item Identification: MARS CLASS AFS; Material: STEEL CORROSION RESISTING. 1 specification is 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.