The Heater,convection,steam-Hot Wate, cataloged under National Stock Number 4520-01-155-5018, 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 Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-155-5018 |
| Primary Part Number | 6329453 SIZE 1 1/2 |
| Item Name | Heater,convection,steam-Hot Wate |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial |
| Status | ACTIVE |
| Heat Delivery Rate | 1350.0 BRITISH THERMAL UNIT |
| Heat Medium Type | HOT WATER OR STEAM |
| Inclosure Material | STEEL CORROSION RESISTING |
| Heat Outlet Quantity | 2 |
| Specification/standard Data | 81349-MIL-H-3117 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | I CLASS |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL AND VERTICAL |
| Height | 20.000 INCHES NOMINAL IN |
| Maximum Pressure Limit | 35.0 POUNDS PER SQUARE INCH GAGE LBS |
| Depth | 4.125 INCHES NOMINAL IN |
| Width | 9.000 INCHES NOMINAL IN |
| Heat Directing Device | FIXED LOUVER |
| Outlet Position | ANY ACCEPTABLE |
| Mounting Type | WALL SUSPENDED, ROOM INTERIOR |
| Heating Element Type | HOT WATER COIL AND STEAM 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 |
|---|---|
| 6329453 SIZE 1 1/2 PRIMARY | Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial (USA) |
| Reference | Meaning |
|---|---|
| 0-2827-799 PIECE 1 | C/1 Advisory reference — outside the item-of-supply concept Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| 6329453G01 | 5/9 Secondary reference Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial |
| 6329453 | D/9 Drawing number reference only Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial |
| 6329450-G01 | 5/9 Secondary reference Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial |
| MIL-H-3117 | 4/1 Identification reference U.S. Government activity |
NSN 4520-01-155-5018 is a Heater,convection,steam-Hot Wate, manufactured by Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-155-5018 has 1 manufacturer part number on file: 6329453 SIZE 1 1/2 (Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial).
Key specifications for 6329453 SIZE 1 1/2: Heat Delivery Rate: 1350.0 BRITISH THERMAL UNIT; Heat Medium Type: HOT WATER OR STEAM; Inclosure Material: STEEL CORROSION RESISTING; Heat Outlet Quantity: 2. 16 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.