The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-081-4686, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-081-4686 |
| Primary Part Number | CE2550-240PCN130260 |
| 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 |
| Terminal Quantity | 2 |
| Length | 24.000 INCHES NOMINAL IN |
| Body Style | STRIP ELEMENT |
| Hole or Slot Quantity | 2 |
| Maximum Wattage Rating in Watts | 500.0 SINGLE VOLTAGE |
| Mounting Facility Length | 0.500 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | SLOT OR HOLE TYPE MOUNTING FACILITY |
| Terminal Arrangement Style | IN LINE (TANDEM) AT ONE END |
| Watt Density Rating | 6.0 PER SQUARE INCH SINGLE VOLTAGE |
| Width | 1.500 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 24.500 INCHES NOMINAL IN |
| Thread Series Designator | UNF STUD |
| Mounting Facility Width | 0.320 INCHES NOMINAL IN |
| Thread Quantity | 32.0 PER INCH STUD |
| 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 |
|---|---|
| CE2550-240PCN130260 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 77C715560P001 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
NSN 4520-01-081-4686 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 4520-01-081-4686 has 1 manufacturer part number on file: CE2550-240PCN130260 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for CE2550-240PCN130260: Terminal Quantity: 2; Length: 24.000 INCHES NOMINAL IN; Body Style: STRIP ELEMENT; Hole or Slot Quantity: 2. 15 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.