ALUMINUM FLANGE 1-1/4" 10350-5

Part# 10350-5
MFR Model# 10350-5


Simplify installation of cabin, carb heat, cabin vent lines. Aluminum flange may be welded or riveted in place. Slip ducting over outlet and secure with clamp.
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WARNING: Cancer and Reproductive Harm -


Well made product.

Michael B Verified Purchase

ALUMINUM FLANGE 1-1/4" 10350-5

March 19, 2024

M.d. C Verified Purchase

ALUMINUM FLANGE 1-1/4" 10350-5

June 15, 2022

I ordered 2 aluminum flanges, both came quickly and were exactly what I needed. Very well made, and the price was reasonable.

Kenneth B Verified Purchase

ALUMINUM FLANGE 1-1/4" 10350-5

October 12, 2021

Excellent product

Richard H Verified Purchase

ALUMINUM FLANGE 1-1/4" 10350-5

May 27, 2021

I was not surprised at the quality. Top notch. No issues. Super value for the cost.

Jay H
May 18, 2021

Correct part

David K
March 22, 2021

I have on gotten less than half of my order, but it has been smooth so far

Gina S
March 8, 2021

Good stuff!

Yengleng V
January 28, 2021

Excellent handlich. I was advised that shipping with priority mail cannot be traced. As the part was only 9 $ I accepted the risk

Rolf Q
November 28, 2020

Simple aluminum flange, installed easily, looks great

Wallace S
November 27, 2020


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What grade aluminum are the 10350-12 flanges? Thanks Just what I've been looking for by the way!

These flanges are made from .063" 6061-0 aluminum.

Q: Do these flanges come beaded?

No, they are a straight tube flange for ducting.

Q: What grade aluminum are the 10350-4 flanges?

6061-T0 aluminum.

Q: Is the ducting dimension the outer diameter of the flange?

The flange dimension is the O.D. of the flat part that sits flush with the mounting surface, and the ducting dimension is the I.D. of the air duct to be attached to the unit.

Q: What is the diameter of 10350-6?

Major diameter is 2-3/8" & minor diameter is 1-1/2".

Q: Do the 10350 flanges have any surface treatment, ex. anodize ?

The 10350 flanges do not have any surface treatment on them.

Q: What is the wall thickness and ID of 10350-12?

The wall thickness is approx. .070", and the ID is 2.855".

Q: What is the actual inside diameter of Al flange 10350-9?

This measures to 1.1".

Q: Im looking for a flange with an I.D. of 1.5. What is the I.D. of the 10350-7? Thanks.

Diameters for 10350-7: major dia, 2-3/4 & minor dia, 1-3/4

Q: 10350-9 what is the OD of the ducting as well as wall thickness?

The od of the point where the ducting attaches is 2.25, the od of the flange at its widest point is 3.28, the metal is .058 thick.

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