The Heater,aircraft, cataloged under National Stock Number 1660-00-930-2734, 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 Grimes Aerospace Company. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-930-2734 |
| Primary Part Number | 15D91 |
| Item Name | Heater,aircraft |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Heat Delivery Rate | 600000.0 BRITISH THERMAL UNIT |
| Diameter | 15.000 INCHES NOMINAL IN |
| Depth | 40.860 INCHES NOMINAL IN |
| Heating Element Type | COMBUSTION CHAMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 15D91 PRIMARY | Grimes Aerospace Company (USA) |
| 15D91-7 | Grimes Aerospace Company (USA) |
| 15D91-7 | Asg Luftfahrttechnik Und Sensorik Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 65501-09113-101 | 7/2 Vendor item drawing reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 1660-00-930-2734 is a Heater,aircraft, manufactured by Grimes Aerospace Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-930-2734 has 3 manufacturer part numbers on file: 15D91 (Grimes Aerospace Company), 15D91-7 (Grimes Aerospace Company), 15D91-7 (Asg Luftfahrttechnik Und Sensorik Gmbh).
Key specifications for 15D91: Heat Delivery Rate: 600000.0 BRITISH THERMAL UNIT; Diameter: 15.000 INCHES NOMINAL IN; Depth: 40.860 INCHES NOMINAL IN; Heating Element Type: COMBUSTION CHAMBER. 4 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 1660-00-930-2734 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.