The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-127-3772, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-127-3772 |
| Primary Part Number | 128400 |
| 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 | 13.000 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Mounting Facility Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Frequency in Hertz | 60.0 |
| Watt Density Rating | 20.0 PER SQUARE INCH SINGLE VOLTAGE |
| Maximum Wattage Rating in Watts | 750.0 SINGLE VOLTAGE |
| Length | 12.500 INCHES NOMINAL IN |
| Phase | SINGLE SINGLE VOLTAGE |
| Element Quantity | 1 |
| Thread Quantity | 32.0 PER INCH STUD |
| Material | STEEL AND CHROMIUM SHEATH |
| Thread Series Designator | UNF STUD |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Hole or Slot Quantity | 2 |
| Body Style | STRIP, FINNED |
| Terminal Length | 0.500 INCHES NOMINAL IN |
| Terminal Arrangement Style | OFFSET OR STAGGERED AT ONE END |
| Terminal Quantity | 2 |
| Element Connection Style | HERMETICALLY SEALED STUD |
| Heat Quantity | 1 |
| Mounting Facility Width | 0.312 INCHES NOMINAL IN |
| Effective Heating Length | 9.750 INCHES NOMINAL IN |
| Width | 2.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| OTF140-120V750W | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 127729-002 | L3harris Technologies, Inc. (USA) |
| 128400 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 127729 | L3harris Technologies, Inc. (USA) |
NSN 4520-01-127-3772 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 4520-01-127-3772 has 4 cross-referenced part numbers: OTF140-120V750W (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 127729-002 (L3harris Technologies, Inc.), 128400 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 127729 (L3harris Technologies, Inc.).
There are 4 known substitutes for 4520-01-127-3772: 6750-00-068-1710, 2520-00-510-5719, 4520-01-079-3203 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 128400: Center to Center Distance Between Mounting Facilities Parallel to Width: 13.000 INCHES NOMINAL IN; Element Radiation Spectrum: NONINFRARED; Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE; Mounting Facility Length: 0.500 INCHES NOMINAL IN. 26 total characteristics are documented in the Federal Logistics Information System.