# NSN 5331-01-079-0875: O-Ring

NSN 5331-01-079-0875 (also written 5331010790875; NIIN 01-079-0875) 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 Oct 2026.

## Identification

- NSN: 5331-01-079-0875 (5331010790875)
- NIIN: 01-079-0875 (010790875)
- 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 NOMINAL 0.125 |
| FEAT | SPECIAL FEATURES | INSIDE DIAMETER IS 0.750 INCHES, OUTSIDE DIAMTER IS 1.000 INCHES |
| MATT | MATERIAL | RUBBER SYNTHETIC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-7362 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 20315AF | 00736 | FALLS FILTRATION TECHNOLOGIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5331PL0821013 | 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 |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE4A124G0043/SPE7L327F0007](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010790875) | O-RING | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS | $31,770.96 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331010790875&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010790875
- 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/5331-01-079-0875/
JSON: https://nsnexplorer.com/api/nsn/5331-01-079-0875.json