The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-150-4121, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-150-4121 |
| Primary Part Number | 257025 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Watt Density Rating | 27.0 PER SQUARE INCH SINGLE VOLTAGE |
| Length | 4.500 INCHES NOMINAL IN |
| Element Quantity | 1 |
| Material | CHROMIUM AND STEEL SHEATH |
| Body Style | STRIP ELEMENT |
| Terminal Arrangement Style | THREE AT ONE END - FOR THREE HEAT |
| Terminal Length | 0.938 INCHES NOMINAL IN |
| Heat Quantity | 1 |
| Phase | SINGLE SINGLE VOLTAGE |
| Element Connection Style | STUD TYPE |
| Element Radiation Spectrum | NONINFRARED |
| Width | 1.500 INCHES NOMINAL IN |
| Maximum Wattage Rating in Watts | 250.0 SINGLE VOLTAGE |
| Voltage in Volts and Current Type | 240.0 AC SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 257025 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
NSN 4520-01-150-4121 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-150-4121 has 1 cross-referenced part number: 257025 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
There are 2 known substitutes for 4520-01-150-4121: 5920-01-105-8879, 3950-01-172-5824. Verify interchangeability with system specifications before substitution.
Key specifications for 257025: Frequency in Hertz: 60.0; Terminal Quantity: 2; Watt Density Rating: 27.0 PER SQUARE INCH SINGLE VOLTAGE; Length: 4.500 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.