The Heater,fluid,electric, cataloged under National Stock Number 4520-01-565-3504, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-565-3504 |
| Primary Part Number | 052-500884-016 |
| Item Name | Heater,fluid,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 208.0 AC |
| Overall Diameter | 8.620 INCHES NOMINAL IN |
| Reference Data and Literature | ENGINEERED AIR SYSTEMS DWG EAS82094 |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 052-500884-016 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| EAS82094-1 | 7/2 Vendor item drawing reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 4520-01-565-3504 is a Heater,fluid,electric, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-565-3504 has 1 manufacturer part number on file: 052-500884-016 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 052-500884-016: Overall Height: 41.310 INCHES NOMINAL IN; Voltage in Volts and Current Type: 208.0 AC; Overall Diameter: 8.620 INCHES NOMINAL IN; Reference Data and Literature: ENGINEERED AIR SYSTEMS DWG EAS82094. 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.
NSN 4520-01-565-3504 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.