The Power Supply,heater, cataloged under National Stock Number 4520-00-413-4027, 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 Wheeler Fleet Solutions, Co.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Power Supply,heater |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Wheeler Fleet Solutions, Co. (CAGE 55683) |
| Parameter | Value |
|---|---|
| NSN | 4520-00-413-4027 |
| Primary Part Number | 598-1-168004 |
| Item Name | Power Supply,heater |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| 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 |
|---|---|
| 598-1-168004 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| 1-168004 | 5/9 Secondary reference U.S. Government activity |
| 168004 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-00-413-4027 is a Power Supply,heater, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-413-4027 has 1 manufacturer part number on file: 598-1-168004 (Wheeler Fleet Solutions, Co.).
2 possible matches (shared part number, not a government interchangeability claim): 5935-00-871-0388, 5330-01-019-3782. Verify interchangeability with system specifications before substitution.
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.