The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-787-1856, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-787-1856 |
| Primary Part Number | PA302-5 |
| 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 | 31.312 INCHES MINIMUM AND 31.562 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 440.0 DC SINGLE VOLTAGE |
| Body Style | TUBULAR, RECTANGULAR |
| Maximum Wattage Rating in Watts | 1100.0 SINGLE VOLTAGE |
| Terminal Length | 1.875 INCHES NOMINAL IN |
| Element Connection Style | HERMETICALLY SEALED STUD |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 1 |
| Nondefinitive Spec/std Data | 3 TYPE |
| Element Radiation Spectrum | NONINFRARED |
| Width | 15.187 INCHES MINIMUM AND 15.562 INCHES MAXIMUM IN |
| Material | CHROMIUM AND NICKEL RESISTANCE WIRE |
| Material | MAGNESIUM OXIDE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Thread Series Designator | UNF STUD |
| Thread Quantity | 32.0 PER INCH STUD |
| 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 |
|---|---|
| PA302-5 PRIMARY | Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div (USA) |
| Reference | Meaning |
|---|---|
| MILH22577 | 4/1 Identification reference U.S. Government activity |
NSN 4520-00-787-1856 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 4520-00-787-1856 has 1 manufacturer part number on file: PA302-5 (Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div).
Key specifications for PA302-5: Terminal Quantity: 2; Length: 31.312 INCHES MINIMUM AND 31.562 INCHES MAXIMUM IN; Voltage in Volts and Current Type: 440.0 DC SINGLE VOLTAGE; Body Style: TUBULAR, RECTANGULAR. 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.