The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-232-1297, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-232-1297 |
| Primary Part Number | 77C718111P001 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Terminal Quantity | 2 |
| Length | 6.621 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC SINGLE VOLTAGE |
| Body Style | FINNED, TUBULAR, U SHAPED |
| Maximum Wattage Rating in Watts | 830.0 SINGLE VOLTAGE |
| Terminal Length | 0.620 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Nominal Thread Size | 0.250 INCHES STUD IN |
| Heat Quantity | 1 |
| Watt Density Rating | 11.0 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Material | NICKEL ALLOY SHEATH |
| Thread Series Designator | UNF STUD |
| Thread Quantity | 28 PER INCH STUD |
| 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 |
|---|---|
| 77C718111P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 77C718111P001 | Spencer Industries Inc (USA) |
NSN 4520-01-232-1297 is a Heating Element,electrical,nonim, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-232-1297 has 2 manufacturer part numbers on file: 77C718111P001 (Lockheed Martin Corporation Div Rms), 77C718111P001 (Spencer Industries Inc).
Key specifications for 77C718111P001: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 50.0 AND 60.0; Terminal Quantity: 2; Length: 6.621 INCHES NOMINAL IN. 17 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.