The Valve,safety Relief, cataloged under National Stock Number 4820-01-423-5693, 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 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-423-5693 |
| Primary Part Number | BASGG06SGG |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 3.875 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.625 INCHES ALL ENDS IN |
| Operating Pressure | 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.500 INCHES IN |
| Adjustable Pressure Range | +75.0 TO 110.0 POUNDS PER SQUARE INCH LBS |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 4.750 INCHES IN |
| Nominal Outside Diameter | 5.062 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 4 ALL ENDS |
| First Connection Face to Centerline Distance | 4.750 INCHES IN |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.437 INCHES ALL ENDS IN |
| 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 |
|---|---|
| BASGG06SGG PRIMARY | Dante Valve Company (USA) |
| D11200 ASSY D50FF-06-1 1/2IN | Dante Valve Company (USA) |
| D50FF-06-1 1/2IN | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| BASGG06SGG 1-1/2INCH | 3/9 Design control — primary reference Danco Valve Company |
| D11200 | D/9 Drawing number reference only Danco Valve Company |
| D11200 ASSY D50FF-06-1 1/2IN | 5/9 Secondary reference Danco Valve Company |
| BASGG06SGG 1-1/2INCH | 5/9 Secondary reference Dante Valve Company |
| D50FF-06-1 1/2IN | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-423-5693 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-423-5693 has 3 manufacturer part numbers on file: BASGG06SGG (Dante Valve Company), D11200 ASSY D50FF-06-1 1/2IN (Dante Valve Company), D50FF-06-1 1/2IN (Dante Valve Company).
Key specifications for BASGG06SGG: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 3.875 INCHES ALL ENDS IN; Connection Type: FLANGE ALL ENDS. 18 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.