# NSN 4510-01-642-3487: Breaker, Vacuum, Flush Valve

NSN 4510-01-642-3487 (also written 4510016423487; NIIN 01-642-3487) is a breaker, vacuum, flush valve in Federal Supply Class 4510, Plumbing Fixtures and Accessories. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4510-01-642-3487 (4510016423487)
- NIIN: 01-642-3487 (016423487)
- Item name: BREAKER,VACUUM,FLUSH VALVE
- Federal Supply Class: [FSC 4510 Plumbing Fixtures and Accessories](https://nsnexplorer.com/fsc/4510/)
- Federal Supply Group: [FSG 45](https://nsnexplorer.com/group/45/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-02)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACQW | INLET CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ANHY | INLET CONNECTION SIZE | 0.500 |
| ARTH | OUTLET CONNECTION TYPE | THREADED EXTERNAL PIPE |
| BMWJ | OUTLET CONNECTION SIZE | 0.500 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 3.0 |
| MATT | MATERIAL | COPPER ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| LF289/0792047.50IN | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE8E826P1415](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4510016423487) | BREAKER, VACUUM, FLUS | KELLY & HAYES ELECTRICAL SUPPLY OF L.I., INC. | $792.00 |
| 2026-08-20 | [SPE8E826P1415](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4510016423487) | BREAKER, VACUUM, FLUS | KELLY & HAYES ELECTRICAL SUPPLY OF L.I., INC. | $792.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4510016423487&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4510016423487
- 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/4510-01-642-3487/
JSON: https://nsnexplorer.com/api/nsn/4510-01-642-3487.json