# NSN 4820-01-503-5240: Valve, Safety Relief

NSN 4820-01-503-5240 (also written 4820015035240; NIIN 01-503-5240) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-503-5240 (4820015035240)
- NIIN: 01-503-5240 (015035240)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | UNION |
| ADSU | DISK LOADING METHOD | SPRING |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 75.0 TO 450.0 |
| FEAT | SPECIAL FEATURES | END CONNECTIONS ARE 1.000 INCH FOR SPECIAL APPLICATION AND NEED TO BE SPECIFIED WHEN ORDERED. |
| MATT | MATERIAL | BODY COPPER ALLOY 922 |
| MATT | MATERIAL | FLOW CONTROL DEVICE NICKEL ALLOY |
| MATT | MATERIAL | SEAT NICKEL ALLOY |
| MATT | MATERIAL | STEM NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE AST--B61 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STEM FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE GAS, NATURAL |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR | — |
| TMQY | FURNISHED ITEMS AND QUANTITY | LEVER 1 |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-V-22549 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BCMVV05MEE | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BCMZZ05MEE | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BXMVV05MEE | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BXMVV05MEE | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D1000-SW | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D1000-SW ASSY BCMZZ05MEE | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D1000-SW ASSY BCMZZ05MEE | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0533 | 2 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015035240&category=nsn) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $14,675.47 | 1 | TRIMAN INDUSTRIES INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015035240) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7MC26V4567](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015035240) | VALVE, SAFETY RELIEF | TRIMAN INDUSTRIES INC | $14,675.47 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015035240&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015035240
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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