# NSN 5331-01-314-0818: O-Ring

NSN 5331-01-314-0818 (also written 5331013140818; NIIN 01-314-0818) is an o-ring in Federal Supply Class 5331, O-Rings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5331-01-314-0818 (5331013140818)
- NIIN: 01-314-0818 (013140818)
- 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 L: annual buy value is below the screening threshold. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES NOMINAL 0.070 |
| ADYT | CENTER HOLE DIAMETER | INCHES NOMINAL 0.590 |
| CQFM | HARDNESS RATING | SHORE DUROMETER A NOMINAL 75.0 |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE MATERIAL RESPONSE -IL--25732 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 26000-1 | 56529 | HYDRAULICS INTERNATIONAL, INC. DBA HYDRAULICS INTERNATIONAL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5331PL0658525 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-17 | [SPE7L126V173R](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331013140818) | O-RING | HYDRAULICS INTERNATIONAL, INC. DBA HYDRAULICS INTERNATIONAL INC | $1,188.36 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331013140818&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331013140818
- 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/5331-01-314-0818/
JSON: https://nsnexplorer.com/api/nsn/5331-01-314-0818.json
