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Adapter, 3/8" FNPT » 5/8" Hose Barb

Quick Overview

  • Swivel adapter, 3/8 inch NPT female to 5/8 inch multi-barb
  • Full swivel NPT female end
  • Multi-barb for hose
  • Sealant on the NPT male part only
  • E85 compatible, black anodized 6061-T6 aluminum

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Item #: ADF-NF38B58

$14.86

per EACH (USD)
This is an obsolete Item
 
 
 In Stock & Ready to Ship

Swivel Adapter, 3/8" NPT Female to 5/8" Multi-Barb, Black

Puts a 5/8" multi-barb on a 3/8" NPT male fitting, with a swivel.

The Racetronix ADF-NF38B58 connects 5/8" ID rubber hose to a 3/8" NPT male fitting. The NPT female end is a full swivel, so you can turn the barb to face the hose after the fitting is tight.

Key features

  • 3/8"-18 NPT female, full swivel.
  • 5/8" multi-barb for rubber hose.
  • E85 compatible.
  • 6061-T6 aluminum, black anodized.
Sealing

Put fuel-safe thread sealant on the NPT male part you thread into it, keeping it off the first thread. Push the hose fully over the barb and secure it with a suitable hose clamp.

Specifications

Part numberADF-NF38B58
NPT end3/8"-18 NPT female, swivel
Barb5/8" multi-barb for rubber hose
Material6061-T6 aluminum, black anodized
Fuel compatibilityGasoline and E85

Lookup chart

Every part in this series. This part is highlighted. Click a column heading to sort by it; click again to reverse. On a phone, swipe the chart sideways.

Part numberNPT femaleBarb size
ADF-NF18B181/8"-27 NPT1/8"
ADF-NF18B361/8"-27 NPT3/16"
ADF-NF18B141/8"-27 NPT1/4"
ADF-NF18B561/8"-27 NPT5/16"
ADF-NF18B381/8"-27 NPT3/8"
ADF-NF14B361/4"-18 NPT3/16"
ADF-NF14B141/4"-18 NPT1/4"
ADF-NF14B381/4"-18 NPT3/8"
ADF-NF38B143/8"-18 NPT1/4"
ADF-NF38B563/8"-18 NPT5/16"
ADF-NF38B383/8"-18 NPT3/8"
ADF-NF38B123/8"-18 NPT1/2"
ADF-NF38B583/8"-18 NPT5/8"
ADF-NF12B381/2"-14 NPT3/8"
ADF-NF12B121/2"-14 NPT1/2"
ADF-NF12B581/2"-14 NPT5/8"
ADF-NF12B341/2"-14 NPT3/4"

Frequently asked questions

Does the barb swivel?

Yes. The NPT female end is a full swivel, so the barb can be turned to suit the hose.

Is it E85 compatible?

Yes. It is made from 6061-T6 aluminum and black anodized, and works with gasoline and E85.

Questions and support

Not sure which fitting your build needs? Email [email protected] before you order.

Racetronix provides technical support to verified customers through our support forum, not by phone or email. Please request forum access when you place your order so your account is approved before your parts arrive. The forum is moderated, open 24/7, and holds a knowledge base going back to 1999.

© 2026 Racetronix. All rights reserved. | Part No: ADF-NF38B58 | Revision: Alpha