# NSN 4820-01-632-0490: Valve, Safety Relief

NSN 4820-01-632-0490 (also written 4820016320490; NIIN 01-632-0490) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-632-0490 (4820016320490)
- NIIN: 01-632-0490 (016320490)
- Item name: VALVE,SAFETY RELIEF
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | FIRST RESPONSE FAHRENHEIT 200.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SECOND RESPONSE FAHRENHEIT 425.0 |
| CCFG | VALVE SIZE | INCHES 0.50 |
| CQQF | OPERATING PRESSURE | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| CQQF | OPERATING PRESSURE | SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MIL-V-24332 LIQUID SERVICE WITH LEVER |
| FEAT | SPECIAL FEATURES | SPRING RANGE 75-110PSI MONEL 400; UESB MIL-F-1183 400PSIG INLET AND OUTLET |
| MATT | MATERIAL | BODY BRONZE |
| MATT | MATERIAL | STEM COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE AST-B61 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STEM MIL STD SINGLE MATERIAL RESPONSE B21 NAVAL BRASS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BAMAA06MCC | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D1200 ASSY BAMAA06MCC | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820016320490&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016320490
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4820-01-632-0490/
JSON: https://nsnexplorer.com/api/nsn/4820-01-632-0490.json