# NSN 4820-01-204-5033: Valve, Relief, Pressure And Temper

NSN 4820-01-204-5033 (also written 4820012045033; NIIN 01-204-5033) is a valve, relief, pressure and temper in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-204-5033 (4820012045033)
- NIIN: 01-204-5033 (012045033)
- Item name: VALVE,RELIEF,PRESSURE AND TEMPER
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | INCHES NOMINAL 0.50 |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ACMP | SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | INCHES NOMINAL 0.50 |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | BALL |
| ADQZ | END CONNECTION QUANTITY | 2 |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | NPT |
| CQYM | FIRST END NOMINAL THREAD SIZE | INCHES 0.50 |
| CRNB | SECOND END NOMINAL THREAD SIZE | INCHES 0.50 |
| CRPF | SECOND END THREAD SERIES DESIGNATOR | NPT |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4SE00249-1 | 28638 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 1.3.1 BLDG 562-1 | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4SE00249-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4SE01249-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5027K41 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5027K51 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RV-316-1 | 28625 | NEPTUNE CHEMICAL PUMP CO DIV OF R A INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-1425 | 3 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820012045033&category=nsn) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-03 | $450.45 | 2 | 9RU99 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012045033) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE7MC26V4307](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012045033) | VALVE, RELIEF, PRESSURE AND TEMPERATURE | — | $900.90 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820012045033&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012045033
- 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.

Canonical page: https://nsnexplorer.com/nsn/4820-01-204-5033/
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