The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-00-289-9233, 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 Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-289-9233 |
| Primary Part Number | T32MNM |
| Item Name | Heater,ventilation,duct Type |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Heat Medium Type | HOT WATER OR STEAM |
| Inclosure Material | ALUMINUM AND COPPER AND COPPER ALLOY AND STEEL CORROSION RESISTING |
| Duct Height | 18.250 INCHES IN |
| Heat Outlet Quantity | 1 |
| Duct Width | 30.000 INCHES IN |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL |
| Height | 21.250 INCHES NOMINAL IN |
| Maximum Pressure Limit | 35.0 POUNDS PER SQUARE INCH GAGE LBS |
| Depth | 7.000 INCHES NOMINAL IN |
| Width | 40.250 INCHES NOMINAL IN |
| Heat Directing Device | FIXED LOUVER |
| Mounting Type | VENTILATION DUCT |
| Heating Element Type | HOT WATER COIL OR 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 |
|---|---|
| T32MNM PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| MIL-H-16235C(SHIPS) | 4/1 Identification reference U.S. Government activity |
| S3802-66970T32MNM | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-00-289-9233 is a Heater,ventilation,duct Type, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-289-9233 has 1 manufacturer part number on file: T32MNM (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for T32MNM: Heat Medium Type: HOT WATER OR STEAM; Inclosure Material: ALUMINUM AND COPPER AND COPPER ALLOY AND STEEL CORROSION RESISTING; Duct Height: 18.250 INCHES IN; Heat Outlet Quantity: 1. 14 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.