The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-810-9591, 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 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-810-9591 |
| Primary Part Number | 6860A |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Terminal Quantity | 2 |
| Voltage in Volts and Current Type | 28.0 AC SINGLE VOLTAGE |
| Body Style | BAND TYPE/NOZZLE ELEMENT |
| Maximum Wattage Rating in Watts | 600.0 SINGLE VOLTAGE |
| Terminal Length | 0.438 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Clamp Inside Diameter | 15.000 INCHES NOMINAL IN |
| Mounting Method Style | CLAMP TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Heat Quantity | 1 |
| Inside Diameter | 15.000 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Width | 1.500 INCHES NOMINAL IN |
| Material | CHROMIUM AND NICKEL RESISTANCE WIRE |
| Material | MICA RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Material | STEEL SHEATH |
| Thread Series Designator | UNF STUD |
| Thread Quantity | 32.0 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 |
|---|---|
| 6860A PRIMARY | Watlow Electric Manufacturing Co Dba Watlow (USA) |
NSN 4520-00-810-9591 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 4520-00-810-9591 has 1 manufacturer part number on file: 6860A (Watlow Electric Manufacturing Co Dba Watlow).
Key specifications for 6860A: Phase: SINGLE SINGLE VOLTAGE; Terminal Quantity: 2; Voltage in Volts and Current Type: 28.0 AC SINGLE VOLTAGE; Body Style: BAND TYPE/NOZZLE ELEMENT. 20 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.