# NSN 5331-01-546-8510: O-Ring

NSN 5331-01-546-8510 (also written 5331015468510; NIIN 01-546-8510) is an o-ring in Federal Supply Class 5331, O-Rings. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5331-01-546-8510 (5331015468510)
- NIIN: 01-546-8510 (015468510)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-04)
- Acquisition method code: 4

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | GEAR HOUSING FOR NSN 2815-01-538-4257; ENGINE DIESEL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | O-RING, F.I. PUMP |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 121850-51960 | 0AK42 | YANMAR DIESEL AMERICA CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 121850-51960 | 80LX1 | YANMAR AMERICA CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| YM121850-51960 | ZV961 | KOMATSU TA PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-13 | [SPE7L526P2636](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015468510) | O-RING | LARKOS PACKING AND DISTRIBUTION INC. | $2,317.78 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331015468510&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015468510
- 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/5331-01-546-8510/
JSON: https://nsnexplorer.com/api/nsn/5331-01-546-8510.json