Home > Bulkhead & Panel Mount Fittings
Choose a sub category:
Equal Bulkhead Straights Equal Bulkhead Elbows
Panel Mount Straights Panel Mount Elbows
Panel Nuts & Washers
Straight-threaded Adapters, for adapting hose/tubing through a panel or bulkhead. These fittings have either a 1/4-18NPSM or 1/4-28UNF thread, and come with an accompanying hex nut. Optional Red Silicone or Buna-N Washer available (1/4-18NPSM thread only). If you don't see the part you are looking for, just Contact Us. Many fittings may be available in alternate sizes and materials.
Sort By:
Page of 1
Thru-Panel Hex Nut (1/4-18 NPSF x 7/16 Hex) - Natural Nylon Thru-Panel Hex Nut (1/4-18 NPSF x 11/16 Hex) - Natural Nylon

Made from Natural Nylon (NN)

Price Per Piece $0.75
Custom Nitrile (Buna-N) Thru-Panel Washer Custom Thru-Panel Washer - NBR

Custom-Made from Nitrile (Buna-N) Rubber

Price Per Piece $0.75
Custom Red Silicone Thru-Panel Gasket Custom Thru-Panel Washer - Red Silicone

Custom-Made from Red Silicone Rubber

Price Per Piece $0.75
Thru-Panel Hex Nut (1/4-18 NPSF x 7/16 Hex) - Black Nylon Thru-Panel Hex Nut (1/4-18 NPSF x 11/16 Hex) - Black Nylon

Made from Black Nylon (BN)

Price Per Piece $0.75
1/4" Hose-Barb Thru-Panel Adapter with Hex Nut - Black Nylon 1/4" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $1.39
3/8" Hose-Barb Thru-Panel Adapter with Hex Nut - Black Nylon 3/8" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $1.41
1/4" Hose-Barb Thru-Panel Adapter with Hex Nut - Natural Nylon 1/4" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Natural Nylon

Made from Natural Nylon (NN)

Optional Red Silicone Washer

Food-grade Materials

Base Price $1.47
3/8" Hose-Barb Thru-Panel Adapter with Hex Nut - Natural Nylon 3/8" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Natural Nylon

Made from Natural Nylon (NN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $1.47
5/16" Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 5/16" x 5/16" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $1.91
5/16" Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 3/8" x 3/8" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $2.00
1/8" Hose-Barb Thru-Panel Adapter with Hex Nut - Black Nylon 1/8" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $2.23
1/4" Dual Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 1/4" x 1/4" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Starting Price $2.26 (Options Available)
1/4" Dual Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 3/16" x 3/16" Hose-Barb Thru-Panel Straight Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $2.32
1/4" Hose-Barb Thru-Panel Elbow with Hex Nut - Black Nylon 1/4" x 1/4" Hose-Barb Thru-Panel Elbow Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $2.90
1/4" Hose-Barb Thru-Panel Elbow with Hex Nut - Natural Nylon 1/4" x 1/4" Hose-Barb Thru-Panel Elbow Adapter w/ Hex Nut - Natural Nylon

Made from Natural Nylon (NN)

Optional Red Silicone Washer

Food-grade Materials

Base Price $2.90
1/4" Hose-Barb Thru-Panel Elbow Adapter with Hex Nut - Black Nylon 1/4" Hose-Barb Thru-Panel Elbow Adapter w/ Hex Nut - Black Nylon

Made from Black Nylon (BN)

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $2.90
1/4" Hose-Barb Thru-Panel Elbow with Hex Nut - Natural Kynar 1/4" x 1/4" Hose-Barb Thru-Panel Elbow Adapter w/ Hex Nut - Natural Kynar

Made from Natural Kynar (NK)

Hex from Natural Nylon

Optional Custom Washer in Silicone or Nitrile (Buna-N)

Base Price $6.00