The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-341-6742, 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 Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4520-01-341-6742 |
| Primary Part Number | 393-876603-004 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Body Style | ODD/IRREGULAR SHAPED ITEMS |
| Maximum Wattage Rating in Watts | 4100.0 SINGLE VOLTAGE |
| Element Connection Style | TERMINAL SCREW |
| Mounting Method Style | TERMINAL MOUNTED |
| Nominal Thread Size | 0.190 INCHES SCREW IN |
| Heat Quantity | 1 |
| Watt Density Rating | 133.328 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Width | 8.000 INCHES NOMINAL IN |
| Material | NICKEL ALLOY SHEATH |
| Thread Series Designator | UNF SCREW |
| Thread Quantity | 32.0 PER INCH SCREW |
| 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 |
|---|---|
| 393-876603-004 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 7336B8717 | 5/9 Secondary reference Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
| 7336B8715,19,17 | D/9 Drawing number reference only Heatube Co Div of Maytag Corp |
| 430-1098-04 | 5/9 Secondary reference Heatube Co Div of Maytag Corp |
NSN 4520-01-341-6742 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-341-6742 has 1 manufacturer part number on file: 393-876603-004 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 393-876603-004: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE. 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.