The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-941-6004, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-941-6004 |
| Primary Part Number | 4-18223 |
| 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 |
| Terminal Quantity | 2 |
| Voltage in Volts and Current Type | 120.0 DC SINGLE VOLTAGE |
| Body Style | COIL, PLAIN |
| Maximum Wattage Rating in Watts | 200.0 SINGLE VOLTAGE |
| Element Connection Style | TERMINAL SCREW |
| Outside Diameter | 7.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES SCREW IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| AP18223 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 4-18223 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| PA300-120V1200W | 5/9 Secondary reference Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
| PA300-4 | 5/9 Secondary reference Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
NSN 4520-00-941-6004 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 4520-00-941-6004 has 2 manufacturer part numbers on file: AP18223 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 4-18223 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 4-18223: Terminal Quantity: 2; Voltage in Volts and Current Type: 120.0 DC SINGLE VOLTAGE; Body Style: COIL, PLAIN; Maximum Wattage Rating in Watts: 200.0 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.