# NSN 5331-01-646-8233: O-Ring

NSN 5331-01-646-8233 (also written 5331016468233; NIIN 01-646-8233) is an o-ring in Federal Supply Class 5331, O-Rings. 4 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5331-01-646-8233 (5331016468233)
- NIIN: 01-646-8233 (016468233)
- 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 T: handled under qualified products list procedures. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABJH | TEMP RATING | FAHRENHEIT -65.0 AND FAHRENHEIT 275.0 |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES NOMINAL 0.210 |
| ADYT | CENTER HOLE DIAMETER | INCHES NOMINAL 10.975 |
| CQFM | HARDNESS RATING | SHORE DUROMETER A NOMINAL 75.0 |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE A-S--83461 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| M83461/1-379 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M83461/1-379 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M83461/1-379 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS83461/1 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7L1-27-T-1328 | 18 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331016468233&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331016468233&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016468233
- 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/5331-01-646-8233/
JSON: https://nsnexplorer.com/api/nsn/5331-01-646-8233.json