# NSN 5331-01-540-2952: O-Ring

NSN 5331-01-540-2952 (also written 5331015402952; NIIN 01-540-2952) is an o-ring in Federal Supply Class 5331, O-Rings. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5331-01-540-2952 (5331015402952)
- NIIN: 01-540-2952 (015402952)
- 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 2026-11-08)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | REVERSE OSMOSIS WATER PURIFICATION PUMP NSN 4320-01-422-9401 |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| CQFM | HARDNESS RATING | SHORE DUROMETER A NOMINAL 70.0 |
| ADYT | CENTER HOLE DIAMETER | INCHES NOMINAL 1.720 |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES NOMINAL 0.118 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3265318 | 71454 | FMC TECHNOLOGIES INC DBA FMC FLUID CONTROL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3268125 ITEM 28 | 71454 | FMC TECHNOLOGIES INC DBA FMC FLUID CONTROL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7L1-27-T-4035 | 55 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331015402952&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331015402952&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015402952
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5331-01-540-2952/
JSON: https://nsnexplorer.com/api/nsn/5331-01-540-2952.json