The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-045-3657, 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 Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-045-3657 |
| Primary Part Number | 20M1E4 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Length | 20.312 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 460.0 DC SINGLE VOLTAGE |
| Body Style | TUBULAR, RECTANGULAR |
| Maximum Wattage Rating in Watts | 2750.0 SINGLE VOLTAGE |
| Terminal Length | 0.625 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD W/TERMINAL LUG |
| Effective Heating Length | 20.312 INCHES NOMINAL IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Width | 10.432 INCHES MINIMUM AND 10.682 INCHES MAXIMUM IN |
| Material | NICKEL AND CHROMIUM RESISTANCE WIRE |
| Material | NICKEL AND CHROMIUM SHEATH |
| 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 |
|---|---|
| 20M1E4 PRIMARY | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div (USA) |
NSN 4520-00-045-3657 is a Heating Element,electrical,nonim, manufactured by Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-045-3657 has 1 manufacturer part number on file: 20M1E4 (Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div).
Key specifications for 20M1E4: Terminal Quantity: 2; Length: 20.312 INCHES NOMINAL IN; Voltage in Volts and Current Type: 460.0 DC SINGLE VOLTAGE; Body Style: TUBULAR, RECTANGULAR. 14 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.