# NSN 5330-01-686-0446: Back-Up Ring, Prefor

NSN 5330-01-686-0446 (also written 5330016860446; NIIN 01-686-0446) is a back-up ring, prefor in Federal Supply Class 5330, Packing and Gasket Materials. It was last purchased in Aug 2026.

## Identification

- NSN: 5330-01-686-0446 (5330016860446)
- NIIN: 01-686-0446 (016860446)
- Item name: BACK-UP RING, PREFOR
- Federal Supply Class: [FSC 5330 Packing and Gasket Materials](https://nsnexplorer.com/fsc/5330/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-06 | [SPE7L326P5274](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330016860446) | BACK-UP RING, PREFOR | HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC | $2,488.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5330016860446&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330016860446
- 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/5330-01-686-0446/
JSON: https://nsnexplorer.com/api/nsn/5330-01-686-0446.json