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EYEBALL FIREWALL FITTING- ALUMINUM TTP-A

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Overview

The A series firewall fitting is all aluminum and requires only one hole in the firewall. It has a 1 inch aluminum ball with a swivel angle up to 50 degrees from straight. It is held on the firewall with one 1 5/16 aluminum nut.

Assembly weighs only 1.3oz-1.5oz (.08lb-.09lb) depending on ball hole size.

Ball hole sizes available are .125, .188, .218, .240, .250, .260, .330, .375, .438 and .500.

Order example: TTP-125A (.125 ball hole)
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Reviews

Well built Eyeball firewall fitting, works well with good range of pass thru angle. Would be better if designed so the drill thru hole is a nominal size (1 instead of 1.06) so it could be drilled quickly with a step drill. Since the firewall should be made of Stainless, even enlarging it 0.060took more effort than drilling it to 1.00.

Gary K
November 30, 2020

Very well made. Quality part.

Fred W
August 17, 2018

Q&A

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: Could you please tell me what size hole I need in the firewall to accommodate this ball fitting (.188)?

The hole size you would need in the firewall for this part to fit would be 1.115".

Q: Are these finished in black or blue?

These are finished in blue. We are updating our photo to reflect current finish.

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