# NSN 2990-01-518-7638: Supercharger, Engine, Non-Aircraft

NSN 2990-01-518-7638 (also written 2990015187638; NIIN 01-518-7638) is a supercharger, engine, non-aircraft in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 2990-01-518-7638 (2990015187638)
- NIIN: 01-518-7638 (015187638)
- Item name: SUPERCHARGER,ENGINE,NON-AIRCRAFT
- Federal Supply Class: [FSC 2990 Miscellaneous Engine Accessories, Nonaircraft](https://nsnexplorer.com/fsc/2990/)
- Federal Supply Group: [FSG 29](https://nsnexplorer.com/group/29/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-15)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | BLOWER, ROTARY ID 33U-RAI/65-105-02- |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 33U-RAI/65-105-020 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 65-105-020 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7L4-27-U-0066 | 4 | 2026-10-29 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990015187638&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990015187638&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015187638
- 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/2990-01-518-7638/
JSON: https://nsnexplorer.com/api/nsn/2990-01-518-7638.json