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Home :: Penetrator :: BIRNS® Rubber K- RMK Series Standard Rubber Molded Connectors

BIRNS® Rubber K- RMK Series Standard Rubber Molded Connectors

BIRNS® Rubber K- RMK Series Standard Rubber Molded Connectors

The K size is highly configurable and tailored for medium-to-large size requirements, and is available with 3 to 8 contacts. It is ideal for higher power applications, or for uses requiring extreme physical durability.

The following are the K-size connectors available, where "X" denotes the number of contacts:

  • RMK-X-FS: Receptacle with "X" sockets mates with:
    • RMK-X-MP, or
    • Polymeric XSK bulkhead connector
  • RMK-X-MP: Plug with "X" pins mates with RMK-X-FS
  • VMK-X-FS: Receptacle with "X" pins mates with:
    • VMK-X-MP or
    • Polymeric VSK bulkhead connector
  • VMK-X-MP: Plug with "X" sockets mates with VMK-X-FS

Optional cable locking sleeves (retention devices) are available, in your choice of Delrin or 316 stainless steel. Female locking sleeves are installed onto receptacles; male sleeves go onto plugs. Part numbers are:

  • 63A-020: Female locking sleeve, Delrin
  • 63A-011: Female locking sleeve, Stainless
  • 63A-019: Male locking sleeve, Delrin
  • 63A-012: Male locking sleeve, Stainless

General Technical Specification

BIRNS Rubber connectors are permanently molded onto submersible electrical cable. Stock connectors are molded onto 45 cm (18") lengths of 18 AWG or 16 AWG type SO Aquaprene neoprene-jacketed cable. Contact us for other lengths, cable types, and/or configurations.

BIRNS Rubber Connectors are Female ("Receptacle") or Male ("Plug"). Receptacles usually have sockets and Plugs usually have pins. If Receptacles have pins or Plugs have sockets, they are known as "Inverted", and their part numbers incorporate a "V".

Part number examples are (using size "K"):

  • RMK-2-FS: Size K receptacle, with "2" sockets
  • RMK-3-MP: Size K plug, with "3" pins
  • VMK-4-FS: Size K receptacle, with "4" pins
  • VMK-2-MP: Size K plug, with "2" sockets

Options are:

Cable locking sleeves (retention devices)

Molded or machined plastic: lightweight and lower cost
AISI 300-series Stainless Steel: for the maximum durability

"Dummy" connectors (sealing caps)

Low pressure
High pressure

Fabrication configuration(s) - contact us for information on:

Cable type
Cable length
Cable break-outs, splices, Y-molds, etc.

Click on any of the pin configurations in the chart below.

Pin Configurations

Legend legend-key


Quantity in stock No items available
Weight 1.00 lbs
Our price: Call For Pricing!
Optional cable locking sleeves
Quantity Item currently out of stock but available for purchase. Please contact for estimated delivery dates, (855) 482-8324.

Download PDFSupport Materials 1: Rubber Performance Specs.pdf

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