# NSN 4921-00-042-4415: Adapter, Switch

NSN 4921-00-042-4415 (also written 4921000424415; NIIN 00-042-4415) is an adapter, switch in Federal Supply Class 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4921-00-042-4415 (4921000424415)
- NIIN: 00-042-4415 (000424415)
- Item name: ADAPTER,SWITCH
- Federal Supply Class: [FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment](https://nsnexplorer.com/fsc/4921/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2541781 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BUWEPSDWG2541781 | 08638 | ALLIANT TECHSYSTEMS INC ORDNANCE SYSTEMS DIV | [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=4921000424415&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4921000424415
- 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/4921-00-042-4415/
JSON: https://nsnexplorer.com/api/nsn/4921-00-042-4415.json