The Heater,aircraft, cataloged under National Stock Number 1660-00-196-2121, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Surface Combustion Inc. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-196-2121 |
| Primary Part Number | 88A74 |
| Item Name | Heater,aircraft |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Surface Combustion Inc |
| Status | ACTIVE |
| Heat Delivery Rate | 200000.0 BRITISH THERMAL UNIT |
| Current Type | DC |
| Inclosure Material | STEEL |
| Voltage in Volts | 24.0 |
| Fuel Type | 100/130 OCTANE GASOLINE |
| Heat Outlet Quantity | 1 |
| Heat Delivery Direction | HORIZONTAL |
| Height | 11.750 INCHES NOMINAL IN |
| Surface Treatment | SILVER |
| Depth | 23.440 INCHES NOMINAL IN |
| Width | 11.000 INCHES NOMINAL IN |
| Ignition Method | ELECTRODE |
| Mounting Type | VENTILATION DUCT |
| Fuel Feed Method | WICK |
| Heating Element Type | COMBUSTION CHAMBER |
| Current Rating in Amps | 1.4 |
| Operating Control Type | THERMOSTATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 88A74 PRIMARY | Surface Combustion Inc (USA) |
NSN 1660-00-196-2121 is a Heater,aircraft, manufactured by Surface Combustion Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-196-2121 has 1 manufacturer part number on file: 88A74 (Surface Combustion Inc).
Key specifications for 88A74: Heat Delivery Rate: 200000.0 BRITISH THERMAL UNIT; Current Type: DC; Inclosure Material: STEEL; Voltage in Volts: 24.0. 17 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.
NSN 1660-00-196-2121 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.