The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-277-2385, 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 Atlantic Inertial Systems Limited. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-277-2385 |
| Primary Part Number | 283550-2030 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Atlantic Inertial Systems Limited |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| Length | 12.500 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 230.0 AC SINGLE VOLTAGE |
| Body Style | STRIP ELEMENT |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 300.0 SINGLE VOLTAGE |
| Terminal Length | 0.562 INCHES NOMINAL IN |
| Mounting Facility Length | 0.500 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 1 |
| Terminal Arrangement Style | PARALLEL AT ONE END EXCEPT ON 3/4 AND 1 INCH WIDTH IN |
| Watt Density Rating | 7.0 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Width | 1.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 13.000 INCHES NOMINAL IN |
| Material | CHROMIUM AND NICKEL RESISTANCE WIRE |
| Material | IRON RUST RESISTING SHEATH |
| Thread Series Designator | UNF STUD |
| Mounting Facility Width | 0.312 INCHES NOMINAL IN |
| Thread Quantity | 32.0 PER INCH STUD |
| Element Quantity | 1 |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY VOLTAGE |
| 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 |
|---|---|
| 283550-2030 | Atlantic Inertial Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| 0T 1430-240V | 3/1 Design control — primary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| PT1430 | 5/1 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-00-277-2385 is a Heating Element,electrical,nonim, manufactured by Atlantic Inertial Systems Limited, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-277-2385 has 1 manufacturer part number on file: 283550-2030 (Atlantic Inertial Systems Limited).
Key specifications for 283550-2030: Phase: SINGLE SINGLE VOLTAGE; Terminal Quantity: 2; Length: 12.500 INCHES NOMINAL IN; Voltage in Volts and Current Type: 230.0 AC SINGLE VOLTAGE. 25 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.