Description
Product Overview
The NABCO MC-603-03E PCB Card, part number 885 72739837, is a printed circuit board associated with NABCO marine automation and engine control equipment. It is intended for use as a system-specific electronic component within compatible control installations.
This PCB may be required for maintenance, troubleshooting, and replacement of existing marine control equipment. Because the exact circuit function and hardware configuration of the MC-603-03E have not been independently verified, buyers should confirm the board’s application against the original equipment documentation before ordering.
The part number 885 72739837 also appears in supplier listings for other MC-603 variants. Matching the part number alone does not establish that every suffix or revision is interchangeable. Check the complete model designation, board revision, connector layout, and component markings.

Nabco MC-603-03E
Key Features
- Marine Automation Application: Associated with NABCO marine control system equipment.
- Printed Circuit Board Design: Intended for integration into a compatible electronic control assembly.
- Part Number Identification: 885 72739837.
- Model Identification: MC-603-03E; verify the suffix on the physical board.
- Maintenance and Repair: Suitable for evaluating replacement stock for existing installations.
- System-Specific Compatibility: Requires confirmation of hardware revision, connectors, and control system configuration.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | NABCO |
| Model | MC-603-03E |
| Series | MC Series PCB Cards |
| Product Name | Marine Control System PCB Card |
| Part Number | 885 72739837 |
| Product Type | Printed Circuit Board |
| Application | Marine automation / control equipment |
| Place of Manufacture / Origin | Not independently verified |
| Product Status | Confirm actual item condition with seller |
| Dimensions | Not verified |
| Weight | Not verified |
| Country of Origin | Not independently verified |
| Power Requirements | Confirm from board markings and system documentation |
| I/O Configuration | Not verified |
| Discontinued | Current lifecycle status not verified |
Typical Applications
- Marine engine control system maintenance
- Shipboard automation equipment repair
- Replacement of a matching NABCO PCB
- Troubleshooting of compatible legacy control assemblies
- Vessel overhaul and planned maintenance
- Marine spare-parts inventory management
Frequently Asked Questions
Q1: What is the NABCO MC-603-03E PCB Card?
It is a NABCO printed circuit board identified by model MC-603-03E and part number 885 72739837. Its precise circuit-level function should be confirmed using the original equipment documentation.
Q2: What is the part number?
The associated part number is 885 72739837. Verify the complete model and part number on the actual board before purchase.
Q3: Is it interchangeable with other MC-603 variants?
Not necessarily. Supplier listings show the same part number associated with several MC-603 model suffixes. Differences in revision, configuration, or application may affect compatibility, so confirm interchangeability with the equipment manufacturer or service documentation.
Q4: What should I check before ordering?
Check the model suffix, part number, revision markings, connectors, visible component condition, and any available test results. Request photographs of both sides of the actual board.
Q5: Can this PCB be installed without additional configuration?
That cannot be confirmed for every installation. Follow the equipment manufacturer’s replacement procedures and verify wiring, configuration, and functional operation before returning the system to service.
Related NABCO PCB Cards and Marine Control Equipment
The following are related NABCO PCB references. They are not guaranteed direct replacements for the MC-603-03E.
- MC-603-03 — MC Series PCB Card
- MC-603-03A — MC Series PCB Card variant
- MC-603-03C — MC Series PCB Card variant
- MC-603-03G — MC Series PCB Card variant
- MC-603-5C — MC Series PCB Card variant
- MC-603-01A — MC Series PCB Card
- MC-603-02F — MC Series PCB Card
- MC-602-01A — MC Series PCB Card
- MC-504-01A — MC Series PCB Card
- MC-504-02A — MC Series PCB Card
- MC-506-06 — MC Series PCB Card
- MC-507-01A — MC Series PCB Card
- MC-403-03 — MC Series PCB Card
- MC-401-04 — MC Series PCB Card
- MC-905-04A — MC Series PCB Card
Confirm each model’s complete part number and intended application before selecting a related board as a replacement.
Ordering Information
For quotation requests, specify NABCO MC-603-03E PCB Card, part number 885 72739837, along with the required quantity and condition preference.
For replacement applications, compare the original board’s complete identification, revision, connectors, and equipment compatibility with the offered item. Confirm the exact model suffix before installation.



