The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-480-4803, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-480-4803 |
| Primary Part Number | BASAA04SBB-A044 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| First End Inside Diameter Hose Accommodated | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| BASAA04SBB-A044 PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| BASAA04SBB 3/8"25PSI SET | 5/9 Secondary reference Danco Valve Company |
| BASAA04SBB-A044 | 3/9 Design control — primary reference Danco Valve Company |
NSN 4820-01-480-4803 is a Valve,relief,pressure and Temper, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-480-4803 has 1 manufacturer part number on file: BASAA04SBB-A044 (Dante Valve Company).
Key specifications for BASAA04SBB-A044: Special Features: PRESSURE PSI SET 25.0; First End Inside Diameter Hose Accommodated: 0.375 INCHES NOMINAL IN; Material: COPPER ALLOY BODY. 2 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.