The Vacuum Breaker, cataloged under National Stock Number 4510-00-482-8939, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-00-482-8939 |
| Item Name | Vacuum Breaker |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL STEEL CHROMIUM PLATED 1.500 IPS FEMALE INLET 1.500 O.D. TAILPIECE FOR 11.500 ROUGHING 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 |
|---|---|
| K9195 | 3/2 Design control — primary reference U.S. Government activity |
| K9195CL | 5/2 Secondary reference U.S. Government activity |
NSN 4510-00-482-8939 is a Vacuum Breaker, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
Key specifications for 4510-00-482-8939: General Characteristics Item Description: MATERIAL STEEL CHROMIUM PLATED 1.500 IPS FEMALE INLET 1.500 O.D. TAILPIECE FOR 11.500 ROUGHING IN. 1 specification is 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.