# NSN 2990-01-586-0393: Adjusting Device, Belt-Chain Tens

NSN 2990-01-586-0393 (also written 2990015860393; NIIN 01-586-0393) is an adjusting device, belt-chain tens in Federal Supply Class 2990, Miscellaneous Engine Accessories, Nonaircraft. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 2990-01-586-0393 (2990015860393)
- NIIN: 01-586-0393 (015860393)
- Item name: ADJUSTING DEVICE,BELT-CHAIN TENS
- 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 2026-10-24)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | ADJUSTING DEVICE, CHAIN, MARINE EQUIPMENT |
| FEAT | SPECIAL FEATURES | TENSIONER, BELT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4981116 | 15434 | CUMMINS INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4981116 | ZE503 | CUMMINS SOUTH PACIFIC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-03 | [SPE7LX21D0007/SPE7L127FA30Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015860393) | ADJUSTING DEVICE, BELT-CHAIN TENSION | CUMMINS INC DIV CUMMINS SALES AND SERVICE | $148.09 |
| 2026-10-23 | [SPE7LX21D0007/SPE7L127FA05S](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015860393) | ADJUSTING DEVICE, BELT-CHAIN TENSION | CUMMINS INC DIV CUMMINS SALES AND SERVICE | $148.09 |
| 2026-09-01 | [SPE7LX21D0007/SPE7L126FAMC4](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015860393) | ADJUSTING DEVICE, BELT-CHAIN TENSION | CUMMINS INC DIV CUMMINS SALES AND SERVICE | $148.09 |
| 2026-08-24 | [SPE7LX21D0007/SPE7L126FAHM7](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015860393) | ADJUSTING DEVICE, BE | CUMMINS INC DIV CUMMINS SALES AND SERVICE | $148.09 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2990015860393&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2990015860393
- 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/2990-01-586-0393/
JSON: https://nsnexplorer.com/api/nsn/2990-01-586-0393.json
