NPT FEMALE COUPLER, 3/8", AL, BLACK
Quick Overview
- NPT coupler, 3/8 inch female to female
- Joins two NPT male fittings
- Straight one-piece body
- Sealant on the male NPT threads
- E85 compatible, black anodized 6061-T6 aluminum
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$5.63
per EACH (USD)NPT Coupler, 3/8" Female to Female, Black
Joins two 3/8" NPT male fittings.
The Racetronix ADF-491003 is a pipe coupler with a 3/8" NPT female thread on both ends. Use it to join two 3/8" NPT male fittings or pipes.
Key features
- 3/8"-18 NPT female both ends.
- Straight one-piece body.
- E85 compatible.
- 6061-T6 aluminum, black anodized.
NPT threads are tapered and seal on the threads: use a fuel-safe thread sealant (PTFE paste) on the male NPT threads, keeping it off the first thread so none gets into the system.
Specifications
| Part number | ADF-491003 |
| Threads | 3/8"-18 NPT female, both ends |
| Finish | Black anodized |
| Material | 6061-T6 aluminum, black anodized |
| Fuel compatibility | Gasoline and E85 |
Lookup chart
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| Part number | NPT female | Finish |
|---|---|---|
| ADF-491001 | 1/8"-27 NPT | Black |
| ADF-491002 | 1/4"-18 NPT | Black |
| ADF-491003 | 3/8"-18 NPT | Black |
| ADF-491004 | 1/2"-14 NPT | Black |
| ADF-491006 | 3/4"-14 NPT | Black |
| ADF-491007 | 1"-11.5 NPT | Black |
| ADF-491007N | 1"-11.5 NPT | Natural |
Frequently asked questions
Do I need thread sealant?
On NPT threads, yes: put fuel-safe sealant on the male threads. NPT and BSP threads do not interchange.
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.
