The Valve,safety Relief, cataloged under National Stock Number 4820-01-169-5825, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-169-5825 |
| Primary Part Number | BBMGG04MHH |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Connection Type | FLANGE ALL ENDS |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Opening Pressure Setting | 40.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| BBMGG04MHH PRIMARY | Dante Valve Company (USA) |
| 20219-1-005-41M AMD 16226 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20219-1A02R0040 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| BBMGG04SHH | 5/9 Secondary reference Dante Valve Company |
| 20219-1A02R0040 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 20219-1-005-41M AND 16226 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| BAMGG04SH | 5/9 Secondary reference Dante Valve Company |
| BAMGG04SHH | 3/9 Design control — primary reference Dante Valve Company |
| BAHGG04SHH | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-169-5825 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-169-5825 has 3 manufacturer part numbers on file: BBMGG04MHH (Dante Valve Company), 20219-1-005-41M AMD 16226 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20219-1A02R0040 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for BBMGG04MHH: Connection Type: FLANGE ALL ENDS; Special Features: VALVE SZ 2.000 IN. IN; End Item Identification: NIMITZ CLASS CVN; Material: COPPER ALLOY BODY. 5 specifications are 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.