The Valve,safety Relief, cataloged under National Stock Number 4820-01-617-6538, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-617-6538 |
| Primary Part Number | BASUU07SFF |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Style Designator | ANGLE |
| Bonnet Type | PACKING RETAINING |
| Disk Loading Method | SPRING |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | STEEL COMP 316 STEM |
| Opening Pressure Setting | 160.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| BASUU07SFF PRIMARY | Dante Valve Company (USA) |
| D50-0048/BASUU07SFF | Dante Valve Company (USA) |
NSN 4820-01-617-6538 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-617-6538 has 2 manufacturer part numbers on file: BASUU07SFF (Dante Valve Company), D50-0048/BASUU07SFF (Dante Valve Company).
Key specifications for BASUU07SFF: Style Designator: ANGLE; Bonnet Type: PACKING RETAINING; Disk Loading Method: SPRING; Media for Which Designed: LIQUID SINGLE RESPONSE. 8 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.