The Heater Assembly,vane,anti-Icing, cataloged under National Stock Number 1660-01-241-7983, 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 Axillon Aerospace (rockmart), Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-241-7983 |
| Primary Part Number | 321-4-45700-231 |
| Item Name | Heater Assembly,vane,anti-Icing |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Axillon Aerospace (rockmart), Llc |
| Status | ACTIVE |
| FSC Application Data | ENVIRONMENTAL CONTROL SYSTEM |
| 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 |
|---|---|
| 321-4-45700-231 PRIMARY | Axillon Aerospace (rockmart), Llc (USA) |
| Reference | Meaning |
|---|---|
| LE363-0001-0039 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 1660-01-241-7983 is a Heater Assembly,vane,anti-Icing, manufactured by Axillon Aerospace (rockmart), Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-241-7983 has 1 manufacturer part number on file: 321-4-45700-231 (Axillon Aerospace (rockmart), Llc).
Key specifications for 321-4-45700-231: FSC Application Data: ENVIRONMENTAL CONTROL SYSTEM; End Item Identification: B-1B AIRCRAFT. 1 specification is 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 1660-01-241-7983 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.