# NSN 1680-00-400-3831: Spacer, Gearbox

NSN 1680-00-400-3831 (also written 1680004003831; NIIN 00-400-3831) is a spacer, gearbox in Federal Supply Class 1680, Miscellaneous Aircraft Accessories and Components. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1680-00-400-3831 (1680004003831)
- NIIN: 00-400-3831 (004003831)
- Item name: SPACER,GEARBOX
- Federal Supply Class: [FSC 1680 Miscellaneous Aircraft Accessories and Components](https://nsnexplorer.com/fsc/1680/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-11-01)
- Acquisition method code: 2

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| C5A27238 | 5H860 | THOMAS INSTRUMENT, INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C5A27238 | 78567 | SPECO CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C5A27238 | 92037 | ESSNER PRECISION MANUFACTURING LLC DBA PRECISION MANUFACTURING CO OF FORT WORTH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C5A27238 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-29 | [SPE4A726P3097](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1680004003831) | SPACER, GEARBOX | THOMAS INSTRUMENT, INCORPORATED | $800.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1680004003831&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1680004003831
- 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/1680-00-400-3831/
JSON: https://nsnexplorer.com/api/nsn/1680-00-400-3831.json