# NSN 4930-01-252-6452: Vent Unit, Relief

NSN 4930-01-252-6452 (also written 4930012526452; NIIN 01-252-6452) is a vent unit, relief in Federal Supply Class 4930, Lubrication and Fuel Dispensing Equipment. 6 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4930-01-252-6452 (4930012526452)
- NIIN: 01-252-6452 (012526452)
- Item name: VENT UNIT,RELIEF
- Federal Supply Class: [FSC 4930 Lubrication and Fuel Dispensing Equipment](https://nsnexplorer.com/fsc/4930/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- 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

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0636-0003 | 64691 | WOOD WILLIAM AND ASSOCIATES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 13227E6594 | 97403 | CECOM LR CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 480-4-44917-101 | 56221 | AXILLON AEROSPACE (ROCKMART), LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GTA-V-ASY-W | 1YFX5 | GTA CONTAINERS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MPC-WV-2-D | 1EMJ6 | MPC CONTAINMENT SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MPC-WV-50K-2-B-W | 1EMJ6 | MPC CONTAINMENT SYSTEMS LLC | [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=4930012526452&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4930012526452
- 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.

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