# NSN 5330-01-511-9764: Back-Up Ring, Preformed Packing

NSN 5330-01-511-9764 (also written 5330015119764; NIIN 01-511-9764) is a back-up ring, preformed packing in Federal Supply Class 5330, Packing and Gasket Materials. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5330-01-511-9764 (5330015119764)
- NIIN: 01-511-9764 (015119764)
- 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 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NV822201 FIND 95 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SD001008-1-23A | 07128 | TRELLEBORG SEALING SOLUTIONS EL SEGUNDO, INC. DBA TSS EL SEGUNDO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SD001008-1-23A | 09257 | TRELLEBORG SEALING SOLUTIONS US, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| STSV069A23 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-11 | [SPE7L126P9834](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330015119764) | BACK-UP RING, PREFOR | R. L. MORRISSEY & ASSOCIATES, INC | $1,011.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5330015119764&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330015119764
- 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/5330-01-511-9764/
JSON: https://nsnexplorer.com/api/nsn/5330-01-511-9764.json