The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-508-7669, 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 Cospolich Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-508-7669 |
| Primary Part Number | L1HR156H |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Cospolich Inc. |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 115.0 AC SINGLE VOLTAGE |
| Effective Heating Length | 156.000 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | GLASS FIBER 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 |
|---|---|
| TM F50-2M-SN TABLE 7.3 | Cospolich Inc. (USA) |
| L1HR156H PRIMARY | Cospolich Inc. (USA) |
| L1HR121H | Cospolich Inc. (USA) |
NSN 4520-01-508-7669 is a Heating Element,electrical,nonim, manufactured by Cospolich Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-508-7669 has 3 manufacturer part numbers on file: TM F50-2M-SN TABLE 7.3 (Cospolich Inc.), L1HR156H (Cospolich Inc.), L1HR121H (Cospolich Inc.).
Key specifications for L1HR156H: Voltage in Volts and Current Type: 115.0 AC SINGLE VOLTAGE; Effective Heating Length: 156.000 INCHES NOMINAL IN; Element Radiation Spectrum: NONINFRARED; Part Name Assigned by Controlling Agency: MULLION HEATER. 5 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.