The Valve,safety Relief, cataloged under National Stock Number 4820-01-443-5014, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-443-5014 |
| Primary Part Number | BASAA01SBB |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Disk Loading Method | SPRING |
| Opening Pressure Setting | 5.0 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 |
|---|---|
| BASAA01SBB PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| DWG D3800 REV L | 5/9 Secondary reference Danco Valve Company |
| CD3800-K173 | D/9 Drawing number reference only Danco Valve Company |
| BASAA01SBB | 3/9 Design control — primary reference Danco Valve Company |
| D50UU-01 3/8IN CDS-CD3800-K173 | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-443-5014 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-443-5014 has 1 manufacturer part number on file: BASAA01SBB (Dante Valve Company).
Key specifications for BASAA01SBB: Flow Control Device: DISK; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Disk Loading Method: SPRING; Special Features: VALVE SIZE 0.375 IN.; FLOW CAPACITY 2.1 GPM; STEM ASSEMBLY MATERIAL ASTM A276 TYPE 316 IN. 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.