The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-437-5589, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-437-5589 |
| Primary Part Number | 1-43931 |
| Item Name | Heater,duct Type,stationary |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Operating Control Type | THERMOSTATIC |
| Current Rating in Amps | 104.2 |
| Phase | SINGLE OR THREE |
| Height | 22.562 INCHES NOMINAL IN |
| Heat Delivery Rate | 85300.0 BRITISH THERMAL UNIT |
| Voltage in Volts | 240.0 |
| Inclosure Material | STEEL CORROSION RESISTING |
| Depth | 5.500 INCHES NOMINAL IN |
| Mounting Type | VENTILATION DUCT |
| Frequency in Hertz | 60.0 |
| Width | 27.125 INCHES NOMINAL IN |
| Current Type | AC |
| Heat Medium Type | AIR |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AASK-43931 | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 1-43931 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
NSN 4520-01-437-5589 is a Heater,duct Type,stationary, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-437-5589 has 2 cross-referenced part numbers: AASK-43931 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 1-43931 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
There are 2 known substitutes for 4520-01-437-5589: 5331-00-196-5368, 3110-00-390-0699. Verify interchangeability with system specifications before substitution.
Key specifications for 1-43931: Operating Control Type: THERMOSTATIC; Current Rating in Amps: 104.2; Phase: SINGLE OR THREE; Height: 22.562 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.