# NSN 4320-01-498-1866: Ring, Wearing

NSN 4320-01-498-1866 (also written 4320014981866; NIIN 01-498-1866) is a ring, wearing in Federal Supply Class 4320, Power and Hand Pumps. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4320-01-498-1866 (4320014981866)
- NIIN: 01-498-1866 (014981866)
- Item name: RING,WEARING
- Federal Supply Class: [FSC 4320 Power and Hand Pumps](https://nsnexplorer.com/fsc/4320/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- 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 |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0654C0680S902A | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 654C0680 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-20 | $13,461.5385 | 26 | SIMS PUMP VALVE CO, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014981866) |
| 2026-09-23 | $6,916.00 | 20 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014981866) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE7M527D60EW](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014981866) | RING, WEARING | SIMS PUMP VALVE CO, INC | $350,000.00 |
| 2026-09-23 | [SPE7M126PA431](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014981866) | RING, WEARING | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | $138,320.00 |
| 2026-08-05 | [SPE7M126P8799](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014981866) | RING, WEARING | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | $124,488.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320014981866&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320014981866
- 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/4320-01-498-1866/
JSON: https://nsnexplorer.com/api/nsn/4320-01-498-1866.json
