The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-971-8747, 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 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-971-8747 |
| Primary Part Number | 285-600000-045 |
| 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 |
| Terminal Quantity | 2 |
| Length | 8.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC OR 240.0 AC ALL VOLTAGES |
| Body Style | STRIP ELEMENT |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 200.0 ALL VOLTAGES |
| 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 |
| Heat Quantity | 1 |
| Terminal Arrangement Style | ONE AT EACH END |
| Watt Density Rating | 10.0 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 | 8.500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY RESISTANCE WIRE |
| Material | STEEL CORROSION RESISTING SHEATH |
| Mounting Facility Width | 0.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| 285-600000-045 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| S920M | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
NSN 4520-00-971-8747 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 4520-00-971-8747 has 2 manufacturer part numbers on file: 285-600000-045 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), S920M (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 285-600000-045: Phase: SINGLE SINGLE VOLTAGE; Terminal Quantity: 2; Length: 8.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 120.0 AC OR 240.0 AC ALL VOLTAGES. 21 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.