The Valve,safety Relief, cataloged under National Stock Number 4820-01-610-3086, 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 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-610-3086 |
| Primary Part Number | D50-0072 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Connection Style | GASKET SEAL (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM 276 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM 494 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +151.0 TO 180.0 POUNDS PER SQUARE INCH LBS |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 165.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | THREADED |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY SEAT |
| Material | STEEL COMP 316 STEM |
| 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 |
|---|---|
| D50-0072 PRIMARY | Dante Valve Company (USA) |
| D50-0072 P/N BCSBB12SDD-NM | Dante Valve Company (USA) |
| BCSBB12SDD-NM | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D50-0072 | 3/9 Design control — primary reference Danco Valve Company |
| D50-0072 P/N BCSBB12SDD-NM | 5/9 Secondary reference Danco Valve Company |
| BCSBB12SDD-NM | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-610-3086 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-610-3086 has 3 manufacturer part numbers on file: D50-0072 (Dante Valve Company), D50-0072 P/N BCSBB12SDD-NM (Dante Valve Company), BCSBB12SDD-NM (Dante Valve Company).
Key specifications for D50-0072: Flow Control Device: STEM; Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Connection Style: GASKET SEAL (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 17 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.