The Valve,safety Relief, cataloged under National Stock Number 4820-01-514-0519, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Dante Valve Company (CAGE 5P967) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-514-0519 |
| Primary Part Number | DX3400SW ASSY BGMZZ05SDD |
| Item Name | Valve,safety Relief |
| 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 |
|---|---|
| DX3400SW ASSY BGMZZ05SDD PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| DX3400SW | D/9 Drawing number reference only Danco Valve Company |
| MIL-V-20065 TY A-2 CL C | 4/1 Identification reference U.S. Government activity |
| BGMZZ05SDD | 3/1 Design control — primary reference Dante Valve Company |
| DX3400SW ASSY BGMZZ05SDD | 5/9 Secondary reference Danco Valve Company |
| BGMZZ05SDD | 3/9 Design control — primary reference Danco Valve Company |
NSN 4820-01-514-0519 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-514-0519 has 1 manufacturer part number on file: DX3400SW ASSY BGMZZ05SDD (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.