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Home / Hardware / AN Fittings / Nuts /AN FITTINGS AN818-3D NUT
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AN FITTINGS AN818-3D NUT

27 Reviews 4 Answered Questions
$0.96/Piece
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Part# AN818-3D
MFR Model# AN818-3D
Size No.
Steel		Size No.
Alum		Size No.
SS		Tube
O.D.		Thread
Size		Buy Stainless
33D3J3/163/8-24--

Overview

AN Nut Couplings
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Silver S Verified Purchase

AN FITTINGS AN818-3D NUT
January 29, 2024

Western N Verified Purchase

AN FITTINGS AN818-3D NUT
December 5, 2023

Rick C Verified Purchase

AN FITTINGS AN818-3D NUT
September 29, 2023

Top q

Richard P Verified Purchase

AN FITTINGS AN818-3D NUT
February 9, 2023

blue nut.

Willamette A Verified Purchase

AN FITTINGS AN818-3D NUT
October 21, 2022

Ftt D Verified Purchase

AN FITTINGS AN818-3D NUT
September 28, 2022

Excellent

Edward S Verified Purchase

AN FITTINGS AN818-3D NUT
June 23, 2022

Donald B Verified Purchase

AN FITTINGS AN818-3D NUT
May 8, 2022

I used this as part of a primer line installation on a 0-320 Lycoming. It worked well, the challenge was attaching the cone to the copper tubing, a machine shop had to braze it. The nozzle ports needed a 1/8 npt tap run down the cylinder to allow enough thread engagement for the nozzle. The copper tubing is challenging to flare since it is so small, re-doing a flare was needed to make a leak free connection.

David S
December 31, 2020

Good service....Denis..

Denis L
December 29, 2020

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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: Is there a C-O-C statement on the packing slip for AN-818-8D nuts?

Every invoice has a general Certificate of Conformance, but if a manufacturer cert is required, you must request at the time of order and there is a charge for the paperwork.

Q: What is the weight of the AN818-6D?

The weight of AN818-6D is approximately .056 lbs.

Q: Do the AN818 coupling nuts have pre-drilled holes for safety wiring?

No, these do not have any pre-drilled holes for safety wiring.

Q: Do these AN818 fittings come with the internal stop that you slide over the tubing before flaring?

This is the nut only. The sleeve part number is AN819, add dash number for size and material.

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