The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-336-6852, 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 Indeeco Llc Dba Indeeco. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-336-6852 |
| Primary Part Number | 521X-142833 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Indeeco Llc Dba Indeeco |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 254.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, PLAIN |
| Maximum Wattage Rating in Watts | 200.0 SINGLE VOLTAGE |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Effective Heating Length | 35.500 INCHES NOMINAL IN |
| Mounting Method Style | TERMINAL MOUNTED |
| Element Radiation Spectrum | NONINFRARED |
| Material | COPPER ALLOY SHEATH |
| 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 |
|---|---|
| 521X-142833 | Indeeco Llc Dba Indeeco (USA) |
| Reference | Meaning |
|---|---|
| 4305XL811 | 5/9 Secondary reference Indeeco Llc Dba Indeeco |
| 4505XL811 | 3/9 Design control — primary reference Indeeco Llc Dba Indeeco |
| 87D0010-148 | 5/2 Secondary reference U.S. Government activity |
| 87D0010 | D/9 Drawing number reference only U.S. Government activity |
NSN 4520-01-336-6852 is a Heating Element,electrical,nonim, manufactured by Indeeco Llc Dba Indeeco, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-336-6852 has 1 manufacturer part number on file: 521X-142833 (Indeeco Llc Dba Indeeco).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-438-3810. Verify interchangeability with system specifications before substitution.
Key specifications for 521X-142833: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Voltage in Volts and Current Type: 254.0 AC SINGLE VOLTAGE; Body Style: TUBULAR, PLAIN. 11 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.