# NSN 5331-01-438-1387: O-Ring

NSN 5331-01-438-1387 (also written 5331014381387; NIIN 01-438-1387) is an o-ring in Federal Supply Class 5331, O-Rings. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5331-01-438-1387 (5331014381387)
- NIIN: 01-438-1387 (014381387)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADVN | CROSS-SECTIONAL HEIGHT | MILLIMETERS NOMINAL 1.8 |
| ADYT | CENTER HOLE DIAMETER | MILLIMETERS NOMINAL 23.7 |
| AGAV | END ITEM IDENTIFICATION | CATERPILLAR TRACTOR MODEL 950 F |
| CQFM | HARDNESS RATING | SHORE DUROMETER A NOMINAL 90.0 |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10076414 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5K-9090 | Z02C9 | WESTRAC EQUIPMENT PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5K-9090 | Z8Q46 | WILLIAM ADAMS PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5K-9090 | ZF912 | HASTINGS DEERING (AUST) PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5K9090 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE7LX21D0087/SPE7LX27FA696](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331014381387) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $3.24 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBB1S](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331014381387) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $3.24 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBY54](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331014381387) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $3.24 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBR10](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331014381387) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $15.70 |
| 2026-09-18 | [SPE7LX21D0087/SPE7LX26FBC60](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331014381387) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $3.24 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331014381387&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331014381387
- 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/5331-01-438-1387/
JSON: https://nsnexplorer.com/api/nsn/5331-01-438-1387.json