The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-810-5329, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-810-5329 |
| Primary Part Number | 272436LCRA |
| 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 | 4 |
| Length | 9.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC SINGLE VOLTAGE |
| Body Style | BOTTOM CLAMPING |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 3000.0 SINGLE VOLTAGE |
| Terminal Length | 0.375 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Effective Heating Length | 9.000 INCHES NOMINAL IN |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.177 INCHES MOUNTING FACILITY IN |
| Heat Quantity | 1 |
| Conduit Opening Size | 1.188 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Width | 3.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY SHEATH |
| Thread Series Designator | UNS MOUNTING FACILITY |
| Thread Quantity | 32.0 PER INCH MOUNTING FACILITY |
| Hole Diameter | 0.125 INCHES NOMINAL IN |
| Element Quantity | 2 |
| 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 |
|---|---|
| 272436LCRA PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| U302 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| UC3021 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| LT3730 | 5/9 Secondary reference Low Temp Industries, Inc. Dba Low Temp Industries Inc |
NSN 4520-00-810-5329 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 4520-00-810-5329 has 1 manufacturer part number on file: 272436LCRA (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 272436LCRA: Phase: SINGLE SINGLE VOLTAGE; Terminal Quantity: 4; Length: 9.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 208.0 AC SINGLE VOLTAGE. 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.