# NSN 5331-00-944-8281: O-Ring

NSN 5331-00-944-8281 (also written 5331009448281; NIIN 00-944-8281) is an o-ring in Federal Supply Class 5331, O-Rings. 10 manufacturer part numbers from 9 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5331-00-944-8281 (5331009448281)
- NIIN: 00-944-8281 (009448281)
- 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 |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAL-O-RING |
| FEAT | SPECIAL FEATURES | C7 MILITARY ON-HIGHWAY ENGINE |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES MINIMUM 0.112 AND INCHES MAXIMUM 0.120 |
| AGAV | END ITEM IDENTIFICATION | MRAP - COUGAR CAT1 A1; MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) |
| ADYT | CENTER HOLE DIAMETER | INCHES MINIMUM 0.918 AND INCHES MAXIMUM 0.930 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10075300 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3-912N709-90 | 09990 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3D-2824 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3D-2824 | U8468 | FINNING (UK) LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3D-2824 | Z0939 | CATERPILLAR OF AUSTRALIA PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3Y8949 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5D2824 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6CA226 | 45152 | OSHKOSH CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6CA226 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 902116704 | D9913 | GENERAL DYNAMICS EUROPEAN LAND SYSTEMS-BRIDGE SYSTEMS GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-15 | [SPE7LX21D0087/SPE7LX27FA10V](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.90 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA036](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA273](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $3.80 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBF0L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-09-28 | [SPE7LX21D0087/SPE7LX26FBD4S](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBR70](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBR80](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBT16](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBH09](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-09-17 | [SPE7LX21D0087/SPE7LX26FBA28](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $1.96 |
| 2026-09-17 | [SPE7LX21D0087/SPE7LX26FBA37](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $3.92 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331009448281&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331009448281
- 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.

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