The Valve,safety Relief, cataloged under National Stock Number 4820-01-406-3545, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Dante Valve Company (CAGE 5P967) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-406-3545 |
| Primary Part Number | BBMGG05MKK |
| 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 |
|---|---|
| D51FF-05 3IN 45T75PSI | Dante Valve Company (USA) |
| BBMGG05MKK PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D51FF-05 3IN 45T75PSI | 3/9 Design control — primary reference Danco Valve Company |
| D50FF-3-1CD ASSY D51FF-05 3IN | 5/9 Secondary reference Dante Valve Company |
| D50FF-3-1CD ASSY D51FF-05 3IN | 5/9 Secondary reference Danco Valve Company |
| D50FF-3-1CD | D/9 Drawing number reference only Danco Valve Company |
NSN 4820-01-406-3545 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-406-3545 has 2 manufacturer part numbers on file: D51FF-05 3IN 45T75PSI (Dante Valve Company), BBMGG05MKK (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.