The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-219-6484, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-219-6484 |
| Primary Part Number | CIR-10111 |
| 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 |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 1.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Body Style | TUBULAR, PLAIN |
| Maximum Wattage Rating in Watts | 100.0 SINGLE VOLTAGE |
| Terminal Length | 10.000 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Heat Quantity | 1 |
| Watt Density Rating | 171.0 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Material | NICKEL 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 |
|---|---|
| 179999/1136 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| CIR-10111 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| C1R1012L1INCH | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 4402N005 PRIMARY | Indeeco Llc Dba Indeeco (USA) |
| Reference | Meaning |
|---|---|
| A101-100 | 5/9 Secondary reference Gaumer Company, Inc. Dba Gaumer Process |
| E1A52 | 5/9 Secondary reference Watlow Electric Manufacturing Co Dba Watlow |
NSN 4520-01-219-6484 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 4520-01-219-6484 has 4 manufacturer part numbers on file: 179999/1136 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), CIR-10111 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), C1R1012L1INCH (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 4402N005 (Indeeco Llc Dba Indeeco).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-661-4648. Verify interchangeability with system specifications before substitution.
Key specifications for CIR-10111: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 1.000 INCHES NOMINAL IN. 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.