The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-366-9909, 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 Chromalox Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-366-9909 |
| Primary Part Number | 118-026956-075 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Length | 16.066 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | FINNED, TUBULAR, U SHAPED |
| Hole or Slot Quantity | 2 |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.375 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 760.0 SINGLE VOLTAGE |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 16.066 INCHES NOMINAL IN |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Watt Density Rating | 17.9 PER SQUARE INCH SINGLE VOLTAGE |
| Thermostat Range | +55.0 TO 105.0 FAHRENHEIT DEGF |
| Heat Control Type | THERMOSTAT |
| Element Radiation Spectrum | NONINFRARED |
| Material | NICKEL ALLOY SHEATH |
| 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 |
|---|---|
| 003-550003-008 ITEM 11 | Chromalox Inc (USA) |
| 118-026956-075 PRIMARY | Chromalox Inc (USA) |
| Reference | Meaning |
|---|---|
| 003-550003-999 | D/9 Drawing number reference only Chromalox Inc |
| 118-026956-000 | D/9 Drawing number reference only Chromalox Inc |
NSN 4520-01-366-9909 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-366-9909 has 2 manufacturer part numbers on file: 003-550003-008 ITEM 11 (Chromalox Inc), 118-026956-075 (Chromalox Inc).
4 possible matches (shared part number, not a government interchangeability claim): 4520-01-366-9910, 4520-01-367-1791, 4520-01-367-1792. Verify interchangeability with system specifications before substitution.
Key specifications for 118-026956-075: Terminal Quantity: 2; Length: 16.066 INCHES NOMINAL IN; Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE; Body Style: FINNED, TUBULAR, U SHAPED. 17 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.