# NSN 5331-01-031-8216: O-Ring

NSN 5331-01-031-8216 (also written 5331010318216; NIIN 01-031-8216) is an o-ring in Federal Supply Class 5331, O-Rings. 8 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5331-01-031-8216 (5331010318216)
- NIIN: 01-031-8216 (010318216)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABJH | TEMP RATING | FAHRENHEIT -30.0 AND FAHRENHEIT 250.0 |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES MINIMUM 0.067 AND INCHES MAXIMUM 0.073 |
| ADYT | CENTER HOLE DIAMETER | INCHES MINIMUM 4.709 AND INCHES MAXIMUM 4.769 |
| AGAV | END ITEM IDENTIFICATION | SUBMARINE HULL STRUCTURE; SUBMARINE AUXILLARY AND MISC SYSTEM; TORPEDO, MK-48; TORPEDO, ADCAP 48; LOS ANGELES CLASS SSN (688); STURGEON CLASS SSN (637); OHIO CLASS SSBN (TRIDENT) |
| ANYN | ELONGATION PERCENTAGE | MAXIMUM 331 |
| CQFM | HARDNESS RATING | SHORE DUROMETER A NOMINAL 70.0 |
| CRTL | CRITICALITY CODE JUSTIFICATION | ADYT |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2-048 N674-7 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2507294 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2507294-30 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2507294-30 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2507294-30 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2507294-30 | 77308 | PARCO, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2507294-30 | SE397 | PARKER BROWNSVILLE SERVICIO S.A. DE C.V. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N0674 2-048 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-22 | $6.7286 | 1,643 | 7DVN2 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010318216) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7L126P9H80](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010318216) | O-RING | — | $11,055.16 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331010318216&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331010318216
- 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/5331-01-031-8216/
JSON: https://nsnexplorer.com/api/nsn/5331-01-031-8216.json