# NSN 5331-00-038-4327: O-Ring

NSN 5331-00-038-4327 (also written 5331000384327; NIIN 00-038-4327) 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: 5331-00-038-4327 (5331000384327)
- NIIN: 00-038-4327 (000384327)
- 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 |
| --- | --- | --- |
| ADYT | CENTER HOLE DIAMETER | INCHES MINIMUM 1.840 AND INCHES MAXIMUM 1.880 |
| MATT | MATERIAL | RUBBER SYNTHETIC |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| AGAV | END ITEM IDENTIFICATION | MRAP - COUGAR CAT1 A1; MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 23KP321 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4F-9653 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4F9653 | ZA045 | WILLIAM ADAMS PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4F9653 | ZF912 | HASTINGS DEERING (AUST) PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4F9653 | ZY243 | WESTRAC PTY LTD | [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/SPE7LX27FA14Q](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-10-15 | [SPE7LX21D0087/SPE7LX27FA06C](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-10-08 | [SPE7LX21D0087/SPE7LX27FA867](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA012](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-10-01 | [SPE7LX21D0087/SPE7LX27FA190](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBH4E](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBF6M](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $35.76 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG6L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBG8D](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-29 | [SPE7LX21D0087/SPE7LX26FBH1J](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBA4Y](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBA7H](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBA7N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-25 | [SPE7LX21D0087/SPE7LX26FBX17](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBS83](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |
| 2026-09-23 | [SPE7LX21D0087/SPE7LX26FBM34](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327) | O-RING | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $4.47 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331000384327&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331000384327
- 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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