The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-180-6641, 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 Star Manufacturing International Inc. Dba Lang Manufacturing Company. Government technical data includes 17 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-180-6641 |
| Primary Part Number | 1104-002 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Star Manufacturing International Inc. Dba Lang Manufacturing Company |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Length | 20.625 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 208.0 AC FIRST VOLTAGE |
| Voltage in Volts and Current Type | 220.0 AC SECOND VOLTAGE |
| Body Style | ODD/IRREGULAR SHAPED ITEMS |
| Maximum Wattage Rating in Watts | 1060.0 SINGLE VOLTAGE |
| Terminal Length | 0.500 INCHES NOMINAL IN |
| Element Connection Style | STUD TYPE |
| Mounting Method Style | TERMINAL MOUNTED |
| Nominal Thread Size | 0.151 INCHES STUD IN |
| Heat Quantity | 1 |
| Element Radiation Spectrum | NONINFRARED |
| Width | 16.625 INCHES NOMINAL IN |
| Material | ALUMINUM SHEATH |
| Thread Series Designator | UNS 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 |
|---|---|
| 1104-002 PRIMARY | Star Manufacturing International Inc. Dba Lang Manufacturing Company (USA) |
NSN 4520-00-180-6641 is a Heating Element,electrical,nonim, manufactured by Star Manufacturing International Inc. Dba Lang Manufacturing Company, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-180-6641 has 1 manufacturer part number on file: 1104-002 (Star Manufacturing International Inc. Dba Lang Manufacturing Company).
2 possible matches (shared part number, not a government interchangeability claim): 6115-00-629-4059, 4520-01-286-8561. Verify interchangeability with system specifications before substitution.
Key specifications for 1104-002: Terminal Quantity: 2; Length: 20.625 INCHES NOMINAL IN; Voltage in Volts and Current Type: 208.0 AC FIRST VOLTAGE; Voltage in Volts and Current Type: 220.0 AC SECOND VOLTAGE. 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.