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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.
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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) - NN

Made from Natural Nylon (NN)

Price Per Piece $0.79
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) - BN

Made from Black Nylon (BN)

Price Per Piece $0.79
Custom Nitrile (Buna-N) Thru-Panel Washer Custom Thru-Panel Washer - NBR

Custom-Made from Nitrile (Buna-N) Rubber

Price Per Piece $0.79
Custom Red Silicone Thru-Panel Gasket Custom Thru-Panel Washer - RS

Custom-Made from Red Silicone Rubber

Price Per Piece $0.79
1/8" Dual Hose-Barb Miniature Thru-Panel Straight with Hex Nut - Black Nylon 1/8" x 1/8" Hose-Barb Miniature Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

Price Per Piece $1.28
1/4" Hose-Barb Thru-Panel Adapter with Hex Nut - Black Nylon 1/4" Hose-Barb Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

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

Base Price $1.30
1/4" Hose-Barb Thru-Panel Adapter with Hex Nut - Natural Nylon 1/4" Hose-Barb Thru-Panel Straight Adapter - NN

Made from Natural Nylon (NN)

Optional Red Silicone Washer

Food-grade Materials

Base Price $1.30
3/8" Hose-Barb Thru-Panel Adapter with Hex Nut - Black Nylon 3/8" Hose-Barb Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

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

Base Price $1.33
3/8" Hose-Barb Thru-Panel Adapter with Hex Nut - Natural Nylon 3/8" Hose-Barb Thru-Panel Straight Adapter - NN

Made from Natural Nylon (NN)

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

Base Price $1.39
5/16" Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 5/16" x 5/16" Hose-Barb Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

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

Base Price $1.69
5/16" Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 3/8" x 3/8" Hose-Barb Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

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

Base Price $1.75
1/8" Hose-Barb Thru-Panel Adapter with Hex Nut - Black Nylon 1/8" Hose-Barb Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

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

Base Price $1.77
1/4" Dual Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 1/4" x 1/4" Hose-Barb Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

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

Base Price $1.81
1/4" Dual Hose-Barb Thru-Panel Straight with Hex Nut - Black Nylon 3/16" x 3/16" Hose-Barb Thru-Panel Straight Adapter - BN

Made from Black Nylon (BN)

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

Base Price $2.01
1/4" Hose-Barb Thru-Panel Elbow Adapter with Hex Nut - Black Nylon 1/4" Hose-Barb Thru-Panel Elbow Adapter - BN

Made from Black Nylon (BN)

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

Base Price $2.24
1/4" Hose-Barb Thru-Panel Elbow with Hex Nut - Black Nylon 1/4" x 1/4" Hose-Barb Thru-Panel Elbow Adapter - BN

Made from Black Nylon (BN)

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

Base Price $2.45
1/4" Hose-Barb Thru-Panel Elbow with Hex Nut - Natural Nylon 1/4" x 1/4" Hose-Barb Thru-Panel Elbow Adapter - NN

Made from Natural Nylon (NN)

Optional Red Silicone Washer

Food-grade Materials

Base Price $2.45
1/4" Hose-Barb Thru-Panel Elbow with Hex Nut - White/Natural Nylon 1/4" x 1/4" Hose-Barb Thru-Panel Elbow Adapter - WN/NN

Fitting made from White Nylon (WN)
Hex Nut made from Natural Nylon (NN)

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

Base Price $2.45
1/4" Hose-Barb Thru-Panel Elbow with Hex Nut - Natural Kynar 1/4" x 1/4" Hose-Barb Thru-Panel Elbow Adapter - NK

Made from Natural Kynar (NK)

Hex from Natural Nylon

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

Base Price $4.28