The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-004-7965, 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. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4520-01-004-7965 |
| Primary Part Number | AD31985-2 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Phase | NOT RATED SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 29.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, RECTANGULAR |
| Terminal Length | 32.000 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Effective Heating Length | 29.000 INCHES NOMINAL IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Width | 23.875 INCHES NOMINAL IN |
| Material | MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Material | GLASS FIBER AND RUBBER SYNTHETIC SHEATH |
| Material | NICKEL ALLOY D RESISTANCE WIRE |
| Element Quantity | 1 |
| 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 |
|---|---|
| AD31985-2 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| TA10047965 | 5/9 Secondary reference Intelliworks Ht |
| TA10047965 | 5/9 Secondary reference Tamco, Inc. Dba Technical Assistance Company Div Technical Assistance Company |
| AD31985-2 | 3/9 Design control — primary reference Elmwood Sensors Inc Transflex Products Div |
NSN 4520-01-004-7965 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 4520-01-004-7965 has 1 manufacturer part number on file: AD31985-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for AD31985-2: Phase: NOT RATED SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 29.000 INCHES NOMINAL IN. 16 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.
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.