# NSN 2990-01-425-6731: Muffler, Exhaust

NSN 2990-01-425-6731 (also written 2990014256731; NIIN 01-425-6731) is a muffler, exhaust 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: 2990-01-425-6731 (2990014256731)
- NIIN: 01-425-6731 (014256731)
- Item name: MUFFLER,EXHAUST
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | DIESEL ENGINE, NAVISTAR INTERNATIONAL TRANSPORTATION CORP., MODELS 3600 AND 3800 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2018471C1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | [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=2990014256731&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990014256731
- 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/2990-01-425-6731/
JSON: https://nsnexplorer.com/api/nsn/2990-01-425-6731.json