The Heater,vehicular,compartment, cataloged under National Stock Number 2540-01-359-8109, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-359-8109 |
| Primary Part Number | 920.517 & 905.535 |
| Item Name | Heater,vehicular,compartment |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc |
| Status | ACTIVE |
| Current Type | DC |
| Heat Medium Type | AIR |
| Voltage in Volts | 12.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 920.517 & 905.535 PRIMARY | Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc (USA) |
| Reference | Meaning |
|---|---|
| 920318 | 5/9 Secondary reference Webasto Thermosystems Inc |
| 920.517 & 905.535 | 3/9 Design control — primary reference Webasto Thermosystems Inc |
| 920.118 | 5/9 Secondary reference Webasto Thermosystems Inc |
NSN 2540-01-359-8109 is a Heater,vehicular,compartment, manufactured by Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-359-8109 has 1 manufacturer part number on file: 920.517 & 905.535 (Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5419-01-660-6955, 5419-01-660-6958. Verify interchangeability with system specifications before substitution.
Key specifications for 920.517 & 905.535: Current Type: DC; Heat Medium Type: AIR; Voltage in Volts: 12.0; End Item Identification: WEBASTO AIR HEATER MODEL HL 18D. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.