# NSN 2990-01-676-6401: Muffler, Exhaust

NSN 2990-01-676-6401 (also written 2990016766401; NIIN 01-676-6401) is a muffler, exhaust in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 2990-01-676-6401 (2990016766401)
- NIIN: 01-676-6401 (016766401)
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | BLOWER MOTOR |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MUFFLER BLOWER OUTL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NV827527-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S9515-A6-MMA-010 FIG 7-16-13 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S9515-A6-MMA-010 TBL 7-22-13 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE4A125G0027/SPE4A526F8748](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016766401) | MUFFLER, EXHAUST | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $296,161.71 |
| 2026-08-26 | [SPE4A125G0027/SPE4A526F8748](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016766401) | MUFFLER, EXHAUST | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $296,161.71 |
| 2026-08-26 | [SPE4A125G0027/SPE4A526F8748](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016766401) | MUFFLER, EXHAUST | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $296,161.71 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990016766401&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990016766401
- 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/2990-01-676-6401/
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