The Heater,aircraft, cataloged under National Stock Number 1660-00-640-7697, 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 Fm Af, Llc Dba American Fan Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-640-7697 |
| Primary Part Number | U702-24H |
| Item Name | Heater,aircraft |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Current Type | DC |
| Voltage in Volts | 24.0 |
| Heating Element Type | COMBUSTION CHAMBER |
| 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 |
|---|---|
| U702-24H PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| U702-24H | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| U702-24H | 5/9 Secondary reference U.S. Government activity |
| U702-24H | 5/9 Secondary reference Joy Global Underground Mining Llc |
NSN 1660-00-640-7697 is a Heater,aircraft, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-640-7697 has 1 manufacturer part number on file: U702-24H (Fm Af, Llc Dba American Fan Company).
Key specifications for U702-24H: Current Type: DC; Voltage in Volts: 24.0; Heating Element Type: COMBUSTION CHAMBER. 3 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 1660-00-640-7697 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.