# NSN 5330-01-508-6084: Back-Up Ring, Preformed Packing

NSN 5330-01-508-6084 (also written 5330015086084; NIIN 01-508-6084) is a back-up ring, preformed packing in Federal Supply Class 5330, Packing and Gasket Materials. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5330-01-508-6084 (5330015086084)
- NIIN: 01-508-6084 (015086084)
- Item name: BACK-UP RING,PREFORMED PACKING
- Federal Supply Class: [FSC 5330 Packing and Gasket Materials](https://nsnexplorer.com/fsc/5330/)
- 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 | M9 SEAL LPD-17 CLASS ST'BD SHAFT ONLY,21.968 INCH |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BACKING RING,POLYTETRAFLUOROETHYLENE |
| MATT | MATERIAL | PLASTIC POLYTRIFLUOROETHYLENE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| H73918-02-8-6 | 0EYA6 | DEFENSE MARITIME SOLUTIONS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H73918-02-8-6 | 0SYN4 | WARTSILA LIPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| US73918-02 H73918-02-8-6 | 0EYA6 | DEFENSE MARITIME SOLUTIONS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| US73918-02 H73918-02-8-6 | 0SYN4 | WARTSILA LIPS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7L326P5965](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330015086084) | BACK-UP RING, PREFOR | PIONEER INDUSTRIES, LLC | $5,186.72 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5330015086084&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330015086084
- 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/5330-01-508-6084/
JSON: https://nsnexplorer.com/api/nsn/5330-01-508-6084.json