The Breaker,vacuum,flush Valve, cataloged under National Stock Number 4510-01-626-9036, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Watts Regulator Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-626-9036 |
| Primary Part Number | LF289/0792047 1/2IN |
| Item Name | Breaker,vacuum,flush Valve |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Nominal Overall Length | 3.750 INCHES IN |
| Inlet Connection Type | THREADED EXTERNAL PIPE |
| Material | COPPER ALLOY |
| Outlet Connection Type | THREADED EXTERNAL PIPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LF289/0792047 1/2IN | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 0385451 | 5/9 Secondary reference Watts Regulator Company |
| 1/2 289 | 3/9 Design control — primary reference Watts Regulator Company |
NSN 4510-01-626-9036 is a Breaker,vacuum,flush Valve, manufactured by Watts Regulator Company, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-626-9036 has 1 manufacturer part number on file: LF289/0792047 1/2IN (Watts Regulator Company).
Key specifications for LF289/0792047 1/2IN: Nominal Overall Length: 3.750 INCHES IN; Inlet Connection Type: THREADED EXTERNAL PIPE; Special Features: MAX TEMP 180 F; MAX PRESSURE 150 PSI; Part Name Assigned by Controlling Agency: SERIES LF289, SPILL RESIST ATMOSPHERIC VACUUM BREAKER. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.