The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-412-9572, 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 12 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 | 4520-01-412-9572 |
| Primary Part Number | 7-23-302-55 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 4 |
| Length | 58.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, FLANGED |
| Maximum Wattage Rating in Watts | 24000.0 SINGLE VOLTAGE |
| Element Connection Style | STUD TYPE |
| Watt Density Rating | 24.0 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Width | 3.880 INCHES NOMINAL IN |
| Material | STEEL COMP 316 SHEATH |
| Element Quantity | 6 |
| 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 |
|---|---|
| 7-23-302-55 PRIMARY | Watlow Electric Manufacturing Co Dba Watlow (USA) |
| 7-23-302-55 | Tapco Products, Inc. (USA) |
NSN 4520-01-412-9572 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 4520-01-412-9572 has 2 manufacturer part numbers on file: 7-23-302-55 (Watlow Electric Manufacturing Co Dba Watlow), 7-23-302-55 (Tapco Products, Inc.).
Key specifications for 7-23-302-55: Frequency in Hertz: 60.0; Terminal Quantity: 4; Length: 58.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 208.0 AC SINGLE VOLTAGE. 12 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.