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AEROQUIP HOSE FITTINGS 491-4

$35.50/Each
Part# 491-4
MFR Model# 491-4

DescriptionTubeThreadPart No.
Aeroquip 491 Hose Fitting1/47/16-20491-4

Overview

Aeroquip 491 hose fittings consist of an AN818 style nut, an externally threaded 37 nipple and an internally threaded hose socket. Fittings of sizes 3 through 6 have nuts and nipples of cadmium plated steel. Nuts and nipples for size 8 and larger are of anodized aluminum. Fittings conform to MS24587.

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Reviews

Jonathan W Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

February 11, 2024

As advertised. Good product.

Thomas C Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

January 18, 2024

Quality product

Danny D Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

May 19, 2023

one of the fittings was packaged wrong. bought a -4 got a -3

Mat H Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

September 1, 2022

*****

Donald L Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

August 7, 2022

good

Stephen R Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

April 23, 2022

Aeroquip is the standard of the industry and this part was no different. High quality and Aircraft Spruce had it in stock for immediate ship and delivery. Steve

Stephen F Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

February 24, 2022

Good hose fittings installed with proper mandrel and technique.

Blane J Verified Purchase

AEROQUIP HOSE FITTINGS 491-4

December 29, 2021

As usual. Aeroquip does well

Randol W
April 21, 2021

Excellent product and quality. Shipped quickly as well

Scott J
January 20, 2021

Q&A

Please note, Aircraft Spruce Canada'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 Canada 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: When referencing the tube size, is this an ID or OD measurement?

The tube size is in reference to the O.D. of the hard line the 303 hose, & 491 fitting, is replacing.

Q: Can these Aeroquip 491 fittings be used on Stratoflex 111 hose?

You will need to use the 300 series Stratoflex fittings for the Stratoflex 111 series hose. The 491 series fittings are for the 303 Aeroquip hose series.

Q: What is the difference between 491 and 471? Will be using 303 hose.

Material finish. 471 are all anodized aluminum. 491 Material & Finish:Nut and nipple, sizes 3 through6, cadmium-plated steel. Nut and nipple sizes 8 and up, and socket, anodized aluminum

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