The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-003-7563, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAGE 35076) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-003-7563 |
| Primary Part Number | 711637-1 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 711637-1 PRIMARY | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN) |
| 35471163700 PRIMARY | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN) |
| Reference | Meaning |
|---|---|
| 35-471-163-701 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 4711525PC14 | 5/9 Secondary reference Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
| 50471163700 | 5/9 Secondary reference Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
| 35461163700 | 5/9 Secondary reference Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
| 711637 | 5/9 Secondary reference Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. |
NSN 4520-01-003-7563 is a Heating Element,electrical,immer, manufactured by Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-003-7563 has 2 manufacturer part numbers on file: 711637-1 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.), 35471163700 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.).
1 possible match (shared part number, not a government interchangeability claim): 4610-01-589-6704. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.