The Valve,safety Relief, cataloged under National Stock Number 4820-01-192-7129, 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 15 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-192-7129 |
| Primary Part Number | BCSCC15EAD |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Criticality Code Justification | FEAT |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Opening Pressure Setting | 1800.0 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 | Y |
| Part Number | Manufacturer |
|---|---|
| BCSCC15EAD PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D49246 | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| BCSCC15SAD | 5/9 Secondary reference Dante Valve Company |
| D49727 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| BCSCC15SAD | 5/9 Secondary reference Danco Valve Company |
| D49727 PART R10CB8E8AB | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| D49246 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| BCSCC15EAD | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-192-7129 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-192-7129 has 1 manufacturer part number on file: BCSCC15EAD (Dante Valve Company).
Key specifications for BCSCC15EAD: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN; Criticality Code Justification: FEAT. 15 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.