Looking for the HPS Hard Line AN Tube Nut (Open Ended Female) [Straight] [AN -6] (Aluminum, Black)? It is on the shelf here, checked and ready to ship.
![HPS Hard Line AN Tube Nut (Open Ended Female) [Straight] [AN -6] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN818_1_28eb009f-a514-4dff-9f79-c7bf12306fd5.jpg)
Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Keep petroleum away from standard silicone unless the hose is lined for it.
The hps hard line an tube nut listed here is checked against your vehicle before dispatch.
Every hps hard line an tube nut order goes through the same fitment review.
Ordering the hps hard line an tube nut takes a minute and the confirmation reaches you straight away.
The important numbers
- Material: Aluminum
- Finish: Black
- Category: AN Fitting Components
- Price: $14.80 with free shipping over $99
- Availability: in stock, dispatched from the USA
Not sure it matches your vehicle? Send your VIN or your year, make and model and our fitment desk will confirm before you order.
Also worth a look: Hoses & Fittings · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-4] (Aluminum, Black) · HPS AN Male to Male Union Adapter AN Fitting [Straight] [-2] (Aluminum, Black) · full catalog
Your order is picked, inspected and packed by a person, then handed to the carrier with tracking the same day.
If you want independent guidance before ordering, the NHTSA vehicle safety hub is a useful reference.
Questions we get about this part
What do you need to verify fitment?
The application text on this page lists what the part serves. If your vehicle is not clearly covered, send the VIN and we will rule on it before you pay.
Do you ship the same day?
Your tracking link arrives by email at label creation and stays live until delivery, so you can follow the parcel the whole way.
What happens if it arrives damaged?
A straightforward returns window applies from delivery. Keep the original packaging until you have test fitted the part and contact support for a fast exchange or refund.
Is the part inspected before dispatch?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
![HPS AN Male to Metric Adapter Fitting [Straight] [-6 to M22 x 1.5] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN816-06-X_pic1_1_84a0bab4-582d-4dc1-a176-6237879f811f-300x300.jpg)
![HPS NPT Allen Plug Fitting [1/4 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1_fb2df01f-9eb8-4975-89d8-8afd92a49ee4-300x300.jpg)
![HPS NPT Allen Plug Fitting [1/16 NPT] (Aluminum, Black)](https://partsmithco.com/wp-content/uploads/2026/07/AN932_1-300x300.jpg)
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