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J&K Connectors and Aviation Supply -- Your Distribution Specialist

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Our staff's experience is backed by one of the largest inventories in the industry. We understand the urgencies of today's market and our extensive off-the-shelf stock is ready to support your requirements. We offer "old fashioned service" at competitive price with same day shipment on many stock items. Our knowledgeable sales staff can also help you with those "hard to find items".
Chances are we have your product in stock, but if not our equally qualified assembly staff can custom assemble your product to your specifications.

Serving the Aviation Military & Commercial Markets
J&K Connectors has dedicated itself to serving the Aviation, Military and Commercial Aerospace markets with professionalism, striving to deliver outstanding service, superior quality and the finest product available. We specialize in stocking mil-spec and commercial connectors, contacts, relays, circuit breakers, switches and accessories for the avionics and aerospace industry.

Our sales offices are located in Seattle, WA and in Miami, FL. We are dedicated to serving our customers with fastest service and highest quality.

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Featured Products  


This style connector was originally designed for aircraft applications however due to the low cost and high reliability/durability they are currently used in a wide range of other applications.  This style connector features threaded coupling along with single keyway polarization allowing for easy design in all applications.  The 5015 series comes in the following classes ranging in size from 8 to 44.  Class A is for non environmental applications.  Class E/F is for environmental applications and also includes a strain relief.  Class R is a lighter version of the E/F class.  For further assistance contact one of our experienced sales people.


These series of connectors are one of the most widely used within multiple market segments.  Prefixes for this type of connector will be MS3110, MS3111, MS3112, MS3126, MS3470, MS3471, MS3474, and MS3476.

Series II features include bayonet coupling with rear removable crimp contacts.  Additional benefits include closed entry socket inserts, Interfacial pin insert seal, Elastomer wire sealing grommet, providing superior contact stability.  J&K Connectors has the majority of all sizes and layouts on the shelf for same day shipping.


There are two styles of these of these connectors that make up the majority of designs.


This product would have these common prefixes.  DPX, DPX2MA, DPX2NA, DPX2NE.  With this style connector it can be ordered in single through four gang configurations


The common prefixes for this family are BKAD, BKAE, and BKAF and will come in shell sizes 1, 2, and 3.   This style of connector is most widely used in aviation applications.

J&K Connectors has many of this family of connectors available to ship with minimal lead times.  Should you be having trouble determining which style is best for your application contact us and one of our experts will help you with your design.


Theses part numbers begin with MS90555, MS90556, MS90557, and MS90558.  This style connector is used for Heavy Duty Power Applications ranging from 60-200 amps.

This connector series in conjunction with the Mil-C-85049/3, 4, and 5 cable sealing adapters was designed for the purpose of withstanding extreme conditions.  If your product is exposed to harsh environments with power being mandatory this is the product you need.  Many applications require this product with the most wide spread usage in Power Distribution Boxes, Aircraft Ground Support Equipment, Missile Launch Platforms Portable Shelters along with Mining and Geophysical Installations.  J&K Connectors has a large inventory available for immediate shipment to fulfill your urgent requirements.