The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-343-3181, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-343-3181 |
| Primary Part Number | F040100C8 |
| 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 FIRST VOLTAGE |
| Phase | SINGLE SECOND VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 10.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 240.0 AC SECOND VOLTAGE |
| Voltage in Volts and Current Type | 120.0 AC FIRST VOLTAGE |
| Body Style | STANDARD ELEMENT |
| Maximum Wattage Rating in Watts | 400.0 SECOND VOLTAGE |
| Maximum Wattage Rating in Watts | 100.0 FIRST VOLTAGE |
| Terminal Length | 8.000 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Heat Quantity | 1 |
| Watt Density Rating | 10.0 PER SQUARE INCH SECOND VOLTAGE |
| Watt Density Rating | 2.5 PER SQUARE INCH FIRST VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Width | 4.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| 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 |
NSN 4520-01-343-3181 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 4520-01-343-3181 has 2 manufacturer part numbers on file: F040100C8 (Watlow Electric Manufacturing Co Dba Watlow), F040100C8 (Tapco Products, Inc.).
Key specifications for F040100C8: Phase: SINGLE FIRST VOLTAGE; Phase: SINGLE SECOND VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2. 19 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.