# NSN 2990-01-578-6960: Arrester, Spark Exhaust

NSN 2990-01-578-6960 (also written 2990015786960; NIIN 01-578-6960) is an arrester, spark exhaust in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 2990-01-578-6960 (2990015786960)
- NIIN: 01-578-6960 (015786960)
- Item name: ARRESTER,SPARK 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 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 |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 55.000 |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 16.250 |
| AGAV | END ITEM IDENTIFICATION | NAVY CODE 892006094 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | UNIVERSAL |
| CQPH | DEVICE DESIGN TYPE | BAFFLE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 5 INCH MSA2 SPARK ARRESTING EXHAUST SILENCER |
| FEAT | SPECIAL FEATURES | THERE ARE 5 INCH INLET/OUTLET OPENINGS; SHELL, HEADS AND BAFFLE MATL IS 12 GAGE CARBON STEEL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | PLASTIC POLYPROPYLENE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4057005000 | 065R3 | MIRATECH GROUP LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4057005000 | 3QZK7 | MAXCO, LLC DBA MAXIM SILENCERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MSA2EE0-8PF-2-00000000 | 065R3 | MIRATECH GROUP LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| STD-5MSA2 | 3QZK7 | MAXCO, LLC DBA MAXIM SILENCERS | [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=2990015786960&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015786960
- 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/2990-01-578-6960/
JSON: https://nsnexplorer.com/api/nsn/2990-01-578-6960.json