# NSN 5331-01-166-2099: O-Ring

NSN 5331-01-166-2099 (also written 5331011662099; NIIN 01-166-2099) is an o-ring in Federal Supply Class 5331, O-Rings. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5331-01-166-2099 (5331011662099)
- NIIN: 01-166-2099 (011662099)
- Item name: O-RING
- Federal Supply Class: [FSC 5331 O-Rings](https://nsnexplorer.com/fsc/5331/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-28)
- Acquisition method code: 1

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10512616 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 217709 | 10237 | CADILLAC GAGE TEXTRON INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 75018 | 08302 | BPG - ARROWHEAD WINCH INC. DBA ARROWHEAD WINCH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 75018 | 45320 | PACCAR GOVERNMENT GROUP CO YARROW BAY OFFICE PK | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE7L126V193C](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331011662099) | O-RING | PATTERSON COONEY INC | $285.48 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331011662099&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331011662099
- 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/5331-01-166-2099/
JSON: https://nsnexplorer.com/api/nsn/5331-01-166-2099.json