RCA Panel Mount - Bulkheads

Common Questions & Answers
Question Answer
Hole size explanation? For an explanation of the noted hole sizes and why they may matter - Click Here.
Other RCA Items? Cables - Patch Panels - Wall Plates - Floor Boxes - Face Plates - Module Plates - Custom
In Stock? RCA Bulkhead adapters are generally in stock and ready to ship, but inventory does change daily.
Feel free to contact us to confirm your immediate needs.

There are over 900 possible combinations involving finish, insulator colors, isolation washers, and mounting types.

The Insulator Color:  RCA Bulkheads are available with 7 different insulator colors.

(Insulator color may differ slightly from what you see in the example.)

The Finish: Nickel or Gold

Mounting Hole Size/Shape: RCA Bulkheads are available in 1/2"D, 3/8"D, and 3/8" Round Mounting.

The Adaptable Mounting Hole Size/Shape:
After the basic bulkheads we'll note the accessories needed to convert from 1/2"D to Keystone or
XLR mounting and the accessories needed to convert from 3/8" to 1/2"D, Keystone, or XLR mounting.

RCA Female to Female Bulkheads - Nickel Finish - 1/2" D Mount
Picture Stock Number Description Price Each Qty. Discounts Enter Quantity & Order Weight D-Code Fits Hole
RCA Bulkhead - Nickel - Black Insulator - 1/2D Mount 7521420 RCA Bulkhead - Black Insulator $2.79 50+  $2.65 ea.
100+  $2.51 ea.

.06 1 1/2"D
RCA Bulkhead - Nickel - Blue Insulator - 1/2D Mount 7521425 RCA Bulkhead - Blue Insulator $2.79 50+  $2.65 ea.
100+  $2.51 ea.

.06 1 1/2"D
RCA Bulkhead - Nickel - Green Insulator - 1/2D Mount 7521430 RCA Bulkhead - Green Insulator $2.79 50+  $2.65 ea.
100+  $2.51 ea.

.06 1 1/2"D
RCA Bulkhead - Nickel - Orange Insulator - 1/2D Mount 7521435 RCA Bulkhead - Orange Insulator $2.79 50+  $2.65 ea.
100+  $2.51 ea.

.06 1 1/2"D
RCA Bulkhead - Nickel - Red Insulator - 1/2D Mount 7521440 RCA Bulkhead - Red Insulator $2.79 50+  $2.65 ea.
100+  $2.51 ea.

.06 1 1/2"D
RCA Bulkhead - Nickel - White Insulator - 1/2D Mount 7521445 RCA Bulkhead - White Insulator $2.79 50+  $2.65 ea.
100+  $2.51 ea.

.06 1 1/2"D
RCA Bulkhead - Nickel - Yellow Insulator - 1/2D Mount 7521450 RCA Bulkhead - Yellow Insulator $2.79 50+  $2.65 ea.
100+  $2.51 ea.

.06 1 1/2"D

RCA Female to Female Bulkheads - Gold Finish - 1/2" D Mount
Picture Stock Number Description Price Each Qty. Discounts Enter Quantity & Order Weight D-Code Fits Hole
RCA Bulkhead - Gold - Black Insulator - 1/2D Mount 7521470 RCA Bulkhead - Black Insulator $3.29 50+  $3.13 ea.
100+  $2.96 ea.

.06 1 1/2"D
RCA Bulkhead - Gold - Blue Insulator - 1/2D Mount 7521475 RCA Bulkhead - Blue Insulator $3.29 50+  $3.13 ea.
100+  $2.96 ea.

.06 1 1/2"D
RCA Bulkhead - Gold - Green Insulator - 1/2D Mount 7521480 RCA Bulkhead - Green Insulator $3.29 50+  $3.13 ea.
100+  $2.96 ea.

.06 1 1/2"D
RCA Bulkhead - Gold - Orange Insulator - 1/2D Mount 7521485 RCA Bulkhead - Orange Insulator $3.29 50+  $3.13 ea.
100+  $2.96 ea.

.06 1 1/2"D
RCA Bulkhead - Gold - Red Insulator - 1/2D Mount 7521490 RCA Bulkhead - Red Insulator $3.29 50+  $3.13 ea.
100+  $2.96 ea.

.06 1 1/2"D
RCA Bulkhead - Gold - White Insulator - 1/2D Mount 7521495 RCA Bulkhead - White Insulator $3.29 50+  $3.13 ea.
100+  $2.96 ea.

.06 1 1/2"D
RCA Bulkhead - Gold - Yellow Insulator - 1/2D Mount 7521500 RCA Bulkhead - Yellow Insulator $3.29 50+  $3.13 ea.
100+  $2.96 ea.

.06 1 1/2"D

RCA Female to Female Bulkheads - Nickel Finish - 3/8" Round Mount
Picture Stock Number Description Price Each Qty. Discounts Enter Quantity & Order Weight D-Code Fits Hole
RCA Bulkhead - Nickel - Black Insulator - 3/8 Round Mount 7521620 RCA Bulkhead - Black Insulator
Hex Swage
$2.79 50+  $2.65 ea.
100+  $2.51 ea.

.03 1 3/8"
Round
RCA Bulkhead - Nickel - Blue Insulator - 3/8 Round Mount 7521625 RCA Bulkhead - Blue Insulator
Hex Swage
$2.79 50+  $2.65 ea.
100+  $2.51 ea.

.03 1 3/8"
Round
RCA Bulkhead - Nickel - Green Insulator - 3/8 Round Mount 7521630 RCA Bulkhead - Green Insulator
Hex Swage
$2.79 50+  $2.65 ea.
100+  $2.51 ea.

.03 1 3/8"
Round
RCA Bulkhead - Nickel - Orange Insulator - 3/8 Round Mount 7521635 RCA Bulkhead - Orange Insulator
Hex Swage
$2.79 50+  $2.65 ea.
100+  $2.51 ea.

.03 1 3/8"
Round
RCA Bulkhead - Nickel - Red Insulator - 3/8 Round Mount 7521640 RCA Bulkhead - Red Insulator
Hex Swage
$2.79 50+  $2.65 ea.
100+  $2.51 ea.

.03 1 3/8"
Round
RCA Bulkhead - Nickel - White Insulator - 3/8 Round Mount 7521645 RCA Bulkhead - White Insulator
Hex Swage
$2.79 50+  $2.65 ea.
100+  $2.51 ea.

.03 1 3/8"
Round
RCA Bulkhead - Nickel - Yellow Insulator - 3/8 Round Mount 7521650 RCA Bulkhead - Yellow Insulator
Hex Swage
$2.79 50+  $2.65 ea.
100+  $2.51 ea.

.03 1 3/8"
Round

RCA Female to Female Bulkheads - Gold Finish - 3/8" Round Mount
Picture Stock Number Description Price Each Qty. Discounts Enter Quantity & Order Weight D-Code Fits Hole
RCA Bulkhead - Gold - Black Insulator - 3/8 Round Mount 7521655 RCA Bulkhead - Black Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"
Round
RCA Bulkhead - Gold - Blue Insulator - 3/8 Round Mount 7521660 RCA Bulkhead - Blue Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"
Round
RCA Bulkhead - Gold - Green Insulator - 3/8 Round Mount 7521665 RCA Bulkhead - Green Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"
Round
RCA Bulkhead - Gold - Orange Insulator - 3/8 Round Mount 7521670 RCA Bulkhead - Orange Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"
Round
RCA Bulkhead - Gold - Red Insulator - 3/8 Round Mount 7521675 RCA Bulkhead - Red Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"
Round
RCA Bulkhead - Gold - White Insulator - 3/8 Round Mount 7521680 RCA Bulkhead - White Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"
Round
RCA Bulkhead - Gold - Yellow Insulator - 3/8 Round Mount 7521685 RCA Bulkhead - Yellow Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"
Round

RCA Female to Female Bulkheads - Gold Finish - 3/8" D Mount
Picture Stock Number Description Price Each Qty. Discounts Enter Quantity & Order Weight D-Code Fits Hole
RCA Bulkhead - Gold - Black Insulator - 3/8D Mount 7521570 RCA Bulkhead - Black Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"D
RCA Bulkhead - Gold - Blue Insulator - 3/8D Mount 7521575 RCA Bulkhead - Blue Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"D
RCA Bulkhead - Gold - Green Insulator - 3/8D Mount 7521580 RCA Bulkhead - Green Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"D
RCA Bulkhead - Gold - Orange Insulator - 3/8D Mount 7521585 RCA Bulkhead - Orange Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"D
RCA Bulkhead - Gold - Red Insulator - 3/8D Mount 7521590 RCA Bulkhead - Red Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"D
RCA Bulkhead - Gold - White Insulator - 3/8D Mount 7521595 RCA Bulkhead - White Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"D
RCA Bulkhead - Gold - Yellow Insulator - 3/8D Mount 7521600 RCA Bulkhead - Yellow Insulator
Hex Swage
$3.29 50+  $3.13 ea.
100+  $2.96 ea.

.03 1 3/8"D

How to adapt RCA Bulkheads to fit other size/shape holes.

How to adapt 1/2"D RCA Female Bulkheads to XLR D-Series Mount
RCA Bulkhead - Nickel - White Insulator - 1/2D Mount 1/2D Adapter Plate RCA Bulkhead - Nickel - White Insulator - XLR D-Series Surface Mount To adapt a 1/2"D connector to a surface XLR D-Series mount you
will need part number APD  found on this page - CLICK HERE
RCA Bulkhead - Nickel - White Insulator - 1/2D Mount 1/2D Adapter Plate - Recessed Mount RCA Bulkhead - Nickel - White Insulator - XLR D-Series Recessed Mount To adapt a 1/2" D connector to a recessed XLR D-Series mount you
will need part number APD-RP found on this page - CLICK HERE

How to adapt 3/8" Round RCA Female Bulkheads to XLR D-Series Mount
RCA Bulkhead - Nickel - White Insulator - 3/8 Round Mount 3/8 Round Adapter Plate RCA Bulkhead - Nickel - White Insulator - XLR D-Series Surface Mount To adapt from 3/8" Round connector to a surface XLR D-Series mount you
will need part number APR found on this page - CLICK HERE

How to adapt 3/8"D RCA Female Bulkheads to XLR D-Series Mount
RCA Bulkhead - Nickel - White Insulator - 3/8 Round Mount 3/8D Adapter Plate RCA Bulkhead - Nickel - White Insulator - XLR D-Series Surface Mount To adapt from 3/8"D connector to a surface XLR D-Series mount you
will need part number APQ found on this page - CLICK HERE

How to adapt 3/8" Round RCA Female Bulkheads to Isolated XLR D-Series Mount
RCA Bulkhead - Nickel - Red Insulator - 3/8 Round Mount Red Isolation Washers 3/8 to 1/2 1/2 D Adapter Plate RCA Bulkhead - Nickel - Red Insulator - Isolated XLR D-Series Surface Mount To adapt a 3/8"D connector to an isolated surface XLR D-Series
mount you will need to add one of many colored Isolation
Washers found on this page - CLICK HERE and then you
will need part number APD  found on this page - CLICK HERE
RCA Bulkhead - Nickel - Red Insulator - 3/8 Round Mount Red Isolation Washers 3/8 to 1/2 1/2D Adapter Plate - Recessed Mount RCA Bulkhead - Nickel - Red Insulator - Isolated XLR D-Series Recessed Mount To adapt a 3/8" D connector to an isolated recessed XLR D-Series
mount you will need to add one of many colored Isolation
Washers found on this page - CLICK HERE and then you
will need part number APD-RP found on this page - CLICK HERE

How to adapt 3/8"D RCA Female Bulkheads to Isolated XLR D-Series Mount
RCA Bulkhead - Nickel - Red Insulator - 3/8 Round Mount Red Isolation Washers 3/8 to 1/2 1/2D Adapter Plate RCA Bulkhead - Nickel - Red Insulator - Isolated XLR D-Series Surface Mount To adapt a 3/8"D connector to an isolated surface XLR D-Series
mount you will need to add one of many colored Isolation
Washers found on this page - CLICK HERE and then you
will need part number APD  found on this page - CLICK HERE
RCA Bulkhead - Nickel - Red Insulator - 3/8 Round Mount Red Isolation Washers 3/8 to 1/2 1/2D Adapter Plate - Recessed Mount RCA Bulkhead - Nickel - Red Insulator - Isolated XLR D-Series Recessed Mount To adapt a 3/8" D connector to an isolated recessed XLR D-Series
mount you will need to add one of many colored Isolation
Washers found on this page - CLICK HERE and then you
will need part number APD-RP found on this page - CLICK HERE

How to adapt 3/8" RCA Female Bulkheads to Isolated 1/2"D Mount
RCA Bulkhead - Nickel - Red Insulator - 3/8 Round Mount Red Isolation Washers 3/8 to 1/2 RCA Bulkhead - Nickel - Red Insulator - Isolated 1/2D Mount To adapt a 3/8" connector to an Isolated 1/2"D mount you will need to add
one of many colored Isolation Washers found on this page - CLICK HERE

Connectors must have a hex swage (our connectors note this) to fit the isolation washer.

How to adapt 1/2"D RCA Female Bulkheads to Keystone Mount
RCA Bulkhead - Nickel - White Insulator - 1/2D Mount 1/2D to Keystone Adapter RCA Bulkhead - Nickel - White Insulator - XLR D-Series Surface Mount To adapt a 1/2"D connector to a keystone mount you
will need a keystone adapter found on this page - CLICK HERE

*Note that all Keystone holes are not the same -
these fit our Keystone hole which is .764 x .575.

How to adapt 3/8" RCA Female Bulkheads to Keystone Mount
RCA Bulkhead - Nickel - White Insulator - 3/8 Round Mount 3/8 to Keystone Adapter RCA Bulkhead - Nickel - White Insulator - Keystone Mount To adapt to a 3/8" hex swage connector to a keystone mount you
will need a keystone adapter found on this page - CLICK HERE

*Note that all Keystone holes are not the same -
these fit our Keystone hole which is .764 x .575.