The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-704-9107, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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 | 4520-00-704-9107 |
| Primary Part Number | 1-41743 |
| 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 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.125 INCHES NOMINAL IN |
| Hole or Slot Quantity | 4 |
| Frequency in Hertz | 60.0 |
| Material | NICKEL ALLOY SHEATH |
| Maximum Wattage Rating in Watts | 1667.0 SINGLE VOLTAGE |
| Voltage in Volts and Current Type | 440.0 AC SINGLE VOLTAGE |
| Phase | SINGLE SINGLE VOLTAGE |
| FSC Application Data | HEATERS,DUCT TYPE,STATIONARY |
| Element Quantity | 1 |
| Length | 20.375 INCHES NOMINAL IN |
| Watt Density Rating | 30.5 PER SQUARE INCH SINGLE VOLTAGE |
| Effective Heating Length | 39.500 INCHES NOMINAL IN |
| Terminal Quantity | 2 |
| Element Radiation Spectrum | NONINFRARED |
| Body Style | TUBULAR, FLANGED |
| Hole Diameter | 0.234 INCHES NOMINAL IN |
| Flange Thickness | 0.078 INCHES NOMINAL IN |
| Element Connection Style | HERMETICALLY SEALED STUD |
| Mounting Facility Length | 3.500 INCHES NOMINAL IN |
| Mounting Facility Width | 1.625 INCHES NOMINAL IN |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Heat Quantity | 1 |
| Material | NICKEL ALLOY RESISTANCE WIRE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.250 INCHES NOMINAL IN |
| Terminal Length | 0.688 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1-41743 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| EM-1-41743 | Wellman Thermal Systems Corp (USA) |
NSN 4520-00-704-9107 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 4520-00-704-9107 has 2 cross-referenced part numbers: 1-41743 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), EM-1-41743 (Wellman Thermal Systems Corp).
There are 2 known substitutes for 4520-00-704-9107: 1285-00-498-9600, 5330-00-551-4008. Verify interchangeability with system specifications before substitution.
Key specifications for 1-41743: Center to Center Distance Between Mounting Facilities Parallel to Width: 3.125 INCHES NOMINAL IN; Hole or Slot Quantity: 4; Frequency in Hertz: 60.0; Material: NICKEL ALLOY SHEATH. 26 total characteristics are documented in the Federal Logistics Information System.