The Valve,safety Relief, cataloged under National Stock Number 4820-01-497-2249, 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 3 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-497-2249 |
| Primary Part Number | BFSAA09SBB |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.375 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| BFSAA09SBB | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| 59610-3 3/8IN | 5/9 Secondary reference U.S. Government activity |
| 59610-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-497-2249 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-497-2249 has 1 manufacturer part number on file: BFSAA09SBB (Dante Valve Company).
Key specifications for BFSAA09SBB: Nominal Pipe Size Accommodated: 0.375 INCHES ALL ENDS IN; Special Features: NHA PUMP; Material: COPPER ALLOY BODY; Valve Operation Method: AUTOMATIC. 3 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.