# NSN 5331-01-579-3997: O-Ring

NSN 5331-01-579-3997 (also written 5331015793997; NIIN 01-579-3997) is an o-ring in Federal Supply Class 5331, O-Rings. 6 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5331-01-579-3997 (5331015793997)
- NIIN: 01-579-3997 (015793997)
- 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 |
| --- | --- | --- |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 1.40 |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES NOMINAL 0.12 |
| ADYT | CENTER HOLE DIAMETER | INCHES NOMINAL 1.17 |
| AGAV | END ITEM IDENTIFICATION | MINE PROTECTED CLEARANCE VEHICLE NSN 2355-01-567-4930,MRAP-COUGAR; RG-33 AUV; MRAP COUGAR,MRAP M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) |
| FEAT | SPECIAL FEATURES | DUROMETER: 90 |
| MATT | MATERIAL | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10011119 | 1EFH8 | GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 238-5084 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23KP241 | 45152 | OSHKOSH CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23KP241 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 50051226 | K0407 | RBSL WASHINGTON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 50051226 | U07Z1 | BAES GCS TERRIER SSC 3 PROJECT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG5L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015793997) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.43 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBG37](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015793997) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $9.43 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331015793997&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015793997
- 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/5331-01-579-3997/
JSON: https://nsnexplorer.com/api/nsn/5331-01-579-3997.json