The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-533-8770, 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 Watlow Electric Manufacturing Co Dba Watlow. Government technical data includes 4 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 | 4520-01-533-8770 |
| Primary Part Number | 040050C1-AR11B |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| Status | ACTIVE |
| Length | 5.000 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Width | 4.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| 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 |
|---|---|
| 040050C1-AR11B PRIMARY | Watlow Electric Manufacturing Co Dba Watlow (USA) |
| 040050C1-AR11B | Thermal Devices, Inc. Dba Thermal Devices Inc Div Thermal Devices and Heat Tracing Sales (USA) |
NSN 4520-01-533-8770 is a Heating Element,electrical,nonim, manufactured by Watlow Electric Manufacturing Co Dba Watlow, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-533-8770 has 2 manufacturer part numbers on file: 040050C1-AR11B (Watlow Electric Manufacturing Co Dba Watlow), 040050C1-AR11B (Thermal Devices, Inc. Dba Thermal Devices Inc Div Thermal Devices and Heat Tracing Sales).
Key specifications for 040050C1-AR11B: Length: 5.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE; Special Features: FLEXIBLE HEATER; SILICONE RUBBER; PSAS BOTTOM; LEAD INSULATION: 1180 POLYTETRAFLUOROETHYLENE; LEAD LENGTH: 12 IN. IN; Width: 4.000 INCHES NOMINAL IN. 4 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.