The Disk,valve, cataloged under National Stock Number 4820-01-110-3819, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wilo Usa Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-110-3819 |
| Primary Part Number | 133.000.205 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wilo Usa Llc |
| Status | ACTIVE |
| Material | NICKEL 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 |
|---|---|
| 19.000.354ITEM 2 | Wilo Usa Llc (USA) |
| 133.000.205 PRIMARY | Wilo Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 19.000.354 | D/9 Drawing number reference only Wilo Usa Llc |
NSN 4820-01-110-3819 is a Disk,valve, manufactured by Wilo Usa Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-110-3819 has 2 manufacturer part numbers on file: 19.000.354ITEM 2 (Wilo Usa Llc), 133.000.205 (Wilo Usa Llc).
Key specifications for 133.000.205: Material: NICKEL ALLOY. 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.