# NSN 5331-01-660-7644: O-Ring

NSN 5331-01-660-7644 (also written 5331016607644; NIIN 01-660-7644) is an o-ring in Federal Supply Class 5331, O-Rings. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2025.

## Identification

- NSN: 5331-01-660-7644 (5331016607644)
- NIIN: 01-660-7644 (016607644)
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-15)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 4320-01-616-3578 PUMP,SKID P/N 1172 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| B10203059 | 1KUR9 | COASTAL FIRE PROTECTION, L.L.C | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2025-09-03 | [70Z08525P30056B00](https://www.usaspending.gov/award/CONT_AWD_70Z08525P30056B00_7008_-NONE-_-NONE-) | O-RING/5331-01-660-7644 FILTER FLUID, ASSEMBLY/2910-01-561-8047 | AANTILIA LLC | $14,573.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331016607644&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016607644
- 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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