The Heater,convection,steam-Hot Wate, cataloged under National Stock Number 4520-01-180-8933, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Maradyne Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-180-8933 |
| Primary Part Number | 6500-24V |
| Item Name | Heater,convection,steam-Hot Wate |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Maradyne Corporation |
| Status | ACTIVE |
| Heat Delivery Rate | 19.5 BRITISH THERMAL UNIT |
| Heat Medium Type | HOT WATER |
| Heat Outlet Quantity | 2 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL |
| Height | 10.000 INCHES NOMINAL IN |
| Cubic Measure | 1.00 CUBIC FEET |
| Depth | 5.000 INCHES NOMINAL IN |
| Width | 11.500 INCHES NOMINAL IN |
| Outlet Position | 180 DEG APART |
| Heating Element Type | HOT WATER COIL |
| 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 |
|---|---|
| 6500-24V PRIMARY | Maradyne Corporation (USA) |
| MP520H-24V-DC | Maradyne Corporation (USA) |
NSN 4520-01-180-8933 is a Heater,convection,steam-Hot Wate, manufactured by Maradyne Corporation, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-180-8933 has 2 manufacturer part numbers on file: 6500-24V (Maradyne Corporation), MP520H-24V-DC (Maradyne Corporation).
Key specifications for 6500-24V: Heat Delivery Rate: 19.5 BRITISH THERMAL UNIT; Heat Medium Type: HOT WATER; Heat Outlet Quantity: 2; Heat Discharge Outlet Type: STATIONARY. 11 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.