The Breaker,vacuum,flush Valve, cataloged under National Stock Number 4510-01-172-0413, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-172-0413 |
| Item Name | Breaker,vacuum,flush Valve |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Status | ACTIVE |
| Outlet Connection Size | 3/4 |
| Inlet Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY |
| Inlet Connection Size | 3/4 |
| Outlet Connection Type | THREADED INTERNAL PIPE |
| 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 |
|---|---|
| 288A | 3/9 Design control — primary reference Lewis Corp |
| SPD-2000 PIECE 155 | 5/9 Secondary reference Lewis Corp |
NSN 4510-01-172-0413 is a Breaker,vacuum,flush Valve, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4810-01-370-0125. Verify interchangeability with system specifications before substitution.
Key specifications for 4510-01-172-0413: Outlet Connection Size: 3/4; Inlet Connection Type: THREADED INTERNAL PIPE; Material: COPPER ALLOY; Inlet Connection Size: 3/4. 5 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.