Proponent Electrical Interconnect

Today’s aircraft have thousands of electrical connections, each of which needs to be maintained to ensure the aircraft remains flyable. We help you keep those connections powering the components of your aircraft with the electrical interconnect parts and supplies we distribute.

A partially disassembled jet engine in a hangar

Your OEM Parts Pro

Proponent supports more than 500,000 priced critical aircraft parts for commercial, business, military, and rotary wing aircraft, all delivered on time, anywhere in the world.

ProOEM specializes in providing the parts and services that drive success in the aerospace OEM sector. With a broad product portfolio, well-established supplier relationships, value add connector assembly, and deep technical knowledge from our decades of industry expertise, ProOEM is your one-stop shop for the components you need for a successful build.

Why ProOEM?

High and wide shot of a Proponent warehouse

Broad Product Portfolio

We pride ourselves on being able to provide almost everything you need for a job, with a wide variety of interconnect, interior, safety, and other critical aircraft parts. Many of our products are in stock and available now.

Two employees look at plans

Established Supplier Relationships

We know relationships are what really keep planes in the air. Our long-term relationships with suppliers allow us to get what you need, when you need it, for a fair price.

A man in a reflective vest, inspects parts

Value-Add Connector Assembly

Proponent is an authorized value-added distributor for a number of leading connector suppliers. Having two global assembly facilities allows us to purchase connector components in volume to meet your exact needs, delivered the way you need it. Our capabilities include military and commercial connector-specific applications.

Technical Expertise

Technical Expertise

We’re more than just stocking and logistics specialists. Our team of experts understands the uses and benefits of all the components that we support. Yes, we can tell you what we have in stock, but we can also advise you on which part is right for your situation.

Supported Interconnect Products

Supported Interconnect Products illustration

General Purpose Connector Series

M83723
MS3450-3459
MS3470-3476
MS2426
D38999 SERIES III
BACC63
BACC45
EN3645-46
ASN E0052-54

Avionics

ARINC 404
ARINC 600
BACC66
BACC65
EN4165

High Temp Engine Connectors

D38999 SERIES III K & S M83723
EN2997
ESC10-11
8533
BACC63BC-BD

Contacts

M39029
BACC47
EN3155
ESC30
Coax and Quadrax Contacts Special PC Tail Contacts

Supported Partners