# NSN 2990-01-346-0365: Muffler, Exhaust

NSN 2990-01-346-0365 (also written 2990013460365; NIIN 01-346-0365) is a muffler, exhaust in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2990-01-346-0365 (2990013460365)
- NIIN: 01-346-0365 (013460365)
- 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 |
| --- | --- | --- |
| ARNG | BODY SHAPE | OVAL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1W9229 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG0E](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365) | MUFFLER, EXHAUST | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $596.05 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBA5N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365) | MUFFLER, EXHAUST | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $596.05 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBA8M](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365) | MUFFLER, EXHAUST | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $596.05 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBB1J](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365) | MUFFLER, EXHAUST | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $596.05 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBB7T](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365) | MUFFLER, EXHAUST | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $596.05 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBJ42](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365) | MUFFLER, EXHAUST | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $596.05 |
| 2026-09-20 | [SPE7LX21D0087/SPE7LX26FBC76](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365) | MUFFLER, EXHAUST | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $596.05 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990013460365&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990013460365
- 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/2990-01-346-0365/
JSON: https://nsnexplorer.com/api/nsn/2990-01-346-0365.json