# NSN 5331-01-563-1771: O-Ring

NSN 5331-01-563-1771 (also written 5331015631771; NIIN 01-563-1771) is an o-ring in Federal Supply Class 5331, O-Rings. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5331-01-563-1771 (5331015631771)
- NIIN: 01-563-1771 (015631771)
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 3805-01-533-1857 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1300229 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first; the 25 most recent of 26 awards.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE7LX21D0087/SPE7LX27FA730](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $56.76 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA384](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA512](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBH3P](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $56.76 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBF4W](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $56.76 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBF9L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $164.82 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG8B](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $85.14 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG9K](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG9N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBA2M](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBA3Y](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBB5Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBB8K](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBB9Q](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBW30](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $113.52 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBW91](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $56.76 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBX01](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $85.14 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBX06](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $85.14 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBS24](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBS69](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-23 | [SPE7LX21D0087/SPE7LX26FBJ89](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $56.76 |
| 2026-09-23 | [SPE7LX21D0087/SPE7LX26FBK72](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $56.76 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBG42](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-20 | [SPE7LX21D0087/SPE7LX26FBC83](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |
| 2026-09-20 | [SPE7LX21D0087/SPE7LX26FBC95](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $28.38 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331015631771&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331015631771
- 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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