The Valve,safety Relief, cataloged under National Stock Number 4820-01-632-0490, 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 10 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 | 4820-01-632-0490 |
| Primary Part Number | BAMAA06MCC |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Material Document and Classification | ASTMB61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | B21 NAVAL BRASS MIL STD SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Valve Size | 0.50 INCHES IN |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 425.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 200.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Material | BRONZE BODY |
| Material | COPPER ALLOY STEM |
| 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 |
|---|---|
| BAMAA06MCC PRIMARY | Dante Valve Company (USA) |
| D1200 ASSY BAMAA06MCC | Dante Valve Company (USA) |
NSN 4820-01-632-0490 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-632-0490 has 2 manufacturer part numbers on file: BAMAA06MCC (Dante Valve Company), D1200 ASSY BAMAA06MCC (Dante Valve Company).
Key specifications for BAMAA06MCC: Material Document and Classification: ASTMB61 ASSN STD SINGLE MATERIAL RESPONSE BODY; Material Document and Classification: B21 NAVAL BRASS MIL STD SINGLE MATERIAL RESPONSE STEM; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. 10 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.