The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-377-6709, 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. 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 | 4520-01-377-6709 |
| Primary Part Number | 53408 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Indeeco Llc Dba Indeeco |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Voltage in Volts and Current Type | 277.0 AC SINGLE VOLTAGE |
| Body Style | FINNED, TUBULAR, U SHAPED |
| Maximum Wattage Rating in Watts | 356.0 SINGLE VOLTAGE |
| Element Connection Style | WIRE LEAD W/TERMINAL LUG |
| Terminal Box Environmental Protection | STANDARD |
| Watt Density Rating | 10.42 PER SQUARE INCH SINGLE VOLTAGE |
| Heat Control Type | THERMAL CUTOUT SWITCH |
| Element Radiation Spectrum | NONINFRARED |
| Material | STEEL CORROSION RESISTING SHEATH |
| Element Quantity | 9 |
| 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 |
|---|---|
| 53408 PRIMARY | Indeeco Llc Dba Indeeco (USA) |
NSN 4520-01-377-6709 is a Heating Element,electrical,nonim, manufactured by Indeeco Llc Dba Indeeco, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-377-6709 has 1 manufacturer part number on file: 53408 (Indeeco Llc Dba Indeeco).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-380-7897. Verify interchangeability with system specifications before substitution.
Key specifications for 53408: Terminal Quantity: 2; Voltage in Volts and Current Type: 277.0 AC SINGLE VOLTAGE; Body Style: FINNED, TUBULAR, U SHAPED; Maximum Wattage Rating in Watts: 356.0 SINGLE VOLTAGE. 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.