The Disk,valve, cataloged under National Stock Number 4820-01-533-4502, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Alfa Laval Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-533-4502 |
| Primary Part Number | 984.35615.09 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Material | PLASTIC ACETAL |
| 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 |
|---|---|
| 984.35615.09 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 8719174 | D/9 Drawing number reference only Alfa Laval Inc |
NSN 4820-01-533-4502 is a Disk,valve, manufactured by Alfa Laval Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-533-4502 has 1 manufacturer part number on file: 984.35615.09 (Alfa Laval Inc).
Key specifications for 984.35615.09: Part Name Assigned by Controlling Agency: DIAPHRAGM DISC; End Item Identification: DISTILLATION PLANT, FRESH WATER 4379GPD; Material: PLASTIC ACETAL. 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.