# NSN 4510-01-633-6657: Breaker, Vacuum, Flush Valve

NSN 4510-01-633-6657 (also written 4510016336657; NIIN 01-633-6657) is a breaker, vacuum, flush valve in Federal Supply Class 4510, Plumbing Fixtures and Accessories. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4510-01-633-6657 (4510016336657)
- NIIN: 01-633-6657 (016336657)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACQW | INLET CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ANHY | INLET CONNECTION SIZE | 0.750 |
| ARTH | OUTLET CONNECTION TYPE | THREADED EXTERNAL PIPE |
| MATT | MATERIAL | COPPER ALLOY |
| BMWJ | OUTLET CONNECTION SIZE | 0.750 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 11.25 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0792048 | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LF289/0792048.75IN | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-25 | $687.34 | 7 | LARKOS PACKING AND DISTRIBUTION INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4510016336657) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-05 | [SPE8E927V0015](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4510016336657) | BREAKER, VACUUM, FLUS | KAMPI COMPONENTS CO INC | $3,596.05 |
| 2026-08-25 | [SPE8E826V1533](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4510016336657) | BREAKER, VACUUM, FLUSH VALVE | LARKOS PACKING AND DISTRIBUTION INC. | $4,811.38 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4510016336657&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4510016336657
- 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/4510-01-633-6657/
JSON: https://nsnexplorer.com/api/nsn/4510-01-633-6657.json