The Retainer,seat,valve, cataloged under National Stock Number 4820-01-482-3646, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Dante Valve Company (CAGE 5P967) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-482-3646 |
| Primary Part Number | BS3428-.75 |
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| 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 |
|---|---|
| DXE62-.5-000 ITEM 6 | Dante Valve Company (USA) |
| BS3428-.75 PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| DXE62-.5-000 ITEM 6 | 5/9 Secondary reference Danco Valve Company |
| DXE63-.5-000 | D/9 Drawing number reference only Danco Valve Company |
| BS3428-.75 | 3/9 Design control — primary reference Danco Valve Company |
| DXE62-.5-0SG ITEM 6 | C/1 Advisory reference — outside the item-of-supply concept Danco Valve Company |
NSN 4820-01-482-3646 is a Retainer,seat,valve, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-482-3646 has 2 manufacturer part numbers on file: DXE62-.5-000 ITEM 6 (Dante Valve Company), BS3428-.75 (Dante Valve Company).
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.