# NSN 5331-01-020-4540: O-Ring

NSN 5331-01-020-4540 (also written 5331010204540; NIIN 01-020-4540) is an o-ring in Federal Supply Class 5331, O-Rings. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5331-01-020-4540 (5331010204540)
- NIIN: 01-020-4540 (010204540)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215 |
| ADYT | CENTER HOLE DIAMETER | INCHES MINIMUM 3.085 AND INCHES MAXIMUM 3.115 |
| MATT | MATERIAL | RUBBER SYNTHETIC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 303644 | 26337 | PARKER-HANNIFIN CORPORATION DIV HYDRAULIC ACCUMULATOR DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S1400-41C | 26337 | PARKER-HANNIFIN CORPORATION DIV HYDRAULIC ACCUMULATOR DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S1400-41MILG22050 | 26337 | PARKER-HANNIFIN CORPORATION DIV HYDRAULIC ACCUMULATOR DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-05 | $55.75 | 5 | APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010204540) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-05 | [SPE7L127V0042](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010204540) | O-RING | APPLIED INDUSTRIAL TECHNOLOGIES, INC. DBA APPLIED INDUSTRIAL TECHNOLOGIES | $278.75 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331010204540&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010204540
- 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/5331-01-020-4540/
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