The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-390-1055, 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 Watlow Electric Manufacturing Co Dba Watlow. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-390-1055 |
| Primary Part Number | 07016081 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 16.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | STANDARD ELEMENT |
| Hole or Slot Quantity | 3 |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 7.000 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 350.0 SINGLE VOLTAGE |
| Terminal Length | 8.000 INCHES NOMINAL IN |
| Mounting Facility Length | 0.400 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Material Document and Classification | MIL-W-16874/4 MIL SPEC SINGLE MATERIAL RESPONSE RESISTANCE WIRE |
| Effective Heating Length | 15.750 INCHES NOMINAL IN |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Width | 7.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 7.250 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Material | RUBBER SYNTHETIC SHEATH |
| Mounting Facility Width | 0.187 INCHES NOMINAL IN |
| 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 |
|---|---|
| 07016081 | Watlow Electric Manufacturing Co Dba Watlow (USA) |
| 62828-90192-1 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 62828-90192-1 | 3/2 Design control — primary reference U.S. Government activity |
| 62828-90192 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4520-01-390-1055 is a Heating Element,electrical,nonim, manufactured by Watlow Electric Manufacturing Co Dba Watlow, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-390-1055 has 2 manufacturer part numbers on file: 07016081 (Watlow Electric Manufacturing Co Dba Watlow), 62828-90192-1 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 07016081: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 16.000 INCHES NOMINAL IN. 23 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.