# NSN 5331-01-658-3512: O-Ring

NSN 5331-01-658-3512 (also written 5331016583512; NIIN 01-658-3512) is an o-ring in Federal Supply Class 5331, O-Rings. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5331-01-658-3512 (5331016583512)
- NIIN: 01-658-3512 (016583512)
- 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 2026-10-20)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | HIPPO2034E MI |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | O-RING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| N35310 | 1QP52 | HIPPO POWER, LLC DIV HIPPO MULTIPOWER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N38166 | 1QP52 | HIPPO POWER, LLC DIV HIPPO MULTIPOWER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-16 | [SPE7L126P9F49](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016583512) | O-RING | PIONEER INDUSTRIES, LLC | $319.77 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331016583512&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016583512
- 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.

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