The Breaker,vacuum,flush Valve, cataloged under National Stock Number 4510-01-418-8317, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-418-8317 |
| Item Name | Breaker,vacuum,flush Valve |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Status | ACTIVE |
| Outlet Connection Size | 3/8IN. IN |
| Valve Model Number for Which Designed | 892-1/2 AND 893-3/8 VACUUM BREAKER |
| Inlet Connection Size | 3/8IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 215251-3/8IN. | 3/9 Design control — primary reference U.S. Government activity |
NSN 4510-01-418-8317 is a Breaker,vacuum,flush Valve, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
Key specifications for 4510-01-418-8317: Outlet Connection Size: 3/8IN. IN; Valve Model Number for Which Designed: 892-1/2 AND 893-3/8 VACUUM BREAKER; Special Features: HEIGHT 2-9/32IN.; POLISH CHROME PLATED; PREVENTION OF BACK-SIPHONAGE OF CONTAMINATED WATER INTO A POTABLE WATER SUPPLY IN; Inlet Connection Size: 3/8IN. IN. 3 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.