# NSN 2990-01-642-0511: Breather Filter, Emission Control

NSN 2990-01-642-0511 (also written 2990016420511; NIIN 01-642-0511) is a breather filter, emission control in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 2990-01-642-0511 (2990016420511)
- NIIN: 01-642-0511 (016420511)
- Item name: BREATHER FILTER,EMISSION CONTROL
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | LOGISTGICS SUPPORT VESSEL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | OIL FILTER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2023400100 | 49576 | QUINCY COMPRESSOR DIVISION OF COLTEC INDUSTRIES INC DBA QUINCY COMPRESSOR DIV QUINCY COMPRESSOR | [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=2990016420511&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016420511
- 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/2990-01-642-0511/
JSON: https://nsnexplorer.com/api/nsn/2990-01-642-0511.json