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Part# 8891-6D
MFR Model# 8891-6D
PNTube SizeThreadFitting Type


Used with Aeroquip 601 Hose, Aeroquip 816 (Straight fittings) and 8891 (90 right angle angle hose fittings) consist of a pre-assembled nut/nipple assembly and an internally threaded hose socket. The size 4 fitting has a cadmium plated steel nut and nipple. Sizes 6, 8 and 10 nuts and nipples, and all sizes of sockets, are anodized aluminum. Note: Aeroquip 816 fittings are not the same as AN816 fittings. Include the word Aeroquip with Part number when ordering.
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Did the job!

Rob B
November 4, 2020

Great service and inventory as always

Mark M
June 23, 2020

Too expensive

Mike L
October 21, 2020


Please note,'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. 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 part number AN 844 10D (45&#-1111; still available?

Yes, please search for AN844-10D to find the product page.

Q: Will the Aeroquip 816 fitting attach to an existing regular AN fitting?

The 816 series Aeroquip hose fittings have standard 37* flare thread to attach to an AN male threaded fitting.

Q: 8891-4 is a 90* degree fitting?

Yes, 8891 series Aeroquip fittings are 90*, used on 601 Aeroquip hose.

Q: Can i use 816 fitting on 666 aeroquip hose?

No. They are not approved for use on a 666 hose.

Q: Do the aeroquip 8891-4 fittings match to the aeroquip 601-4 hose? Its not clear as the fitting references hose size.

Yes that is correct for 601-4 hose.

Q: Do you need a special tool to make these lines?

This style doesn't need a mandrel, but the guys in the shop use a special machine to help thread it onto the hose. We wouldn't say its impossible to build at home, but it would be difficult.