The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-041-2604, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030); E & M Equipment Co (CAGE 54918) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-041-2604 |
| Primary Part Number | AD31985-1 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AD31985-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| E10412604 PRIMARY | E & M Equipment Co (USA) |
| Reference | Meaning |
|---|---|
| TA1042604 | 5/9 Secondary reference Intelliworks Ht |
| TA1042604 | 3/9 Design control — primary reference Tamco, Inc. Dba Technical Assistance Company Div Technical Assistance Company |
| AD-31985-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AD31747PC20 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4520-01-041-2604 is a Heating Element,electrical,nonim, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-041-2604 has 2 manufacturer part numbers on file: AD31985-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), E10412604 (E & M Equipment Co).
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.