The Heater,aircraft, cataloged under National Stock Number 1660-00-183-4331, 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 7 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 | 1660-00-183-4331 |
| Primary Part Number | 93A22 |
| Item Name | Heater,aircraft |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Surface Combustion Inc |
| Status | ACTIVE |
| Current Type | DC |
| Fuel Type | 100/130 OCTANE GASOLINE |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL |
| Mounting Type | VENTILATION DUCT |
| Current Rating in Amps | 1.4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 93A22 PRIMARY | Surface Combustion Inc (USA) |
NSN 1660-00-183-4331 is a Heater,aircraft, manufactured by Surface Combustion Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-183-4331 has 1 manufacturer part number on file: 93A22 (Surface Combustion Inc).
Key specifications for 93A22: Current Type: DC; Fuel Type: 100/130 OCTANE GASOLINE; Heat Outlet Quantity: 1; Heat Discharge Outlet Type: STATIONARY. 7 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 1660-00-183-4331 has DEMIL Code B. 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.