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Home / Hardware / AN Fittings / Nipples /AN816 Nipple - Flared Tube And Pipe Thread
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AN816 Nipple - Flared Tube And Pipe Thread

122 Reviews 6 Answered Questions
From $4.50 to $88.75
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Size No.
Steel		 Size No.
Alum		 Size No.
SS		 Tube
O.D.		 Thread
Size		 Price Steel Buy Steel Price Aluminum Buy Aluminum Price Stainless Buy Stainless
22D--1/81/8$72.75
Quantity
$7.95
Quantity
----
33D--3/161/8$15.70
Quantity
$6.50
Quantity
----
44D4J1/41/8$30.99
Quantity
$4.50
Quantity
$20.50
Quantity
4-44-4D--1/41/4$11.95
Quantity
$5.90
Quantity
----
55D--5/161/8$19.50
Quantity
$7.90
Quantity
----
66D--3/81/4$16.95
Quantity
$8.50
Quantity
----
6-26-2D--3/81/8$17.95
Quantity
$9.50
Quantity
----
6-66-6D--3/83/8$17.95
Quantity
$7.95
Quantity
----
77D--1/21/4$24.60
Quantity
$11.80
Quantity
----
88D--1/23/8$21.50
Quantity
$10.50
Quantity
----
1010D--5/81/2$88.75
Quantity
$24.50
Quantity
----
16----3/41-1/16-12$29.55
Quantity
--------
Subtotal $0.00
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Overview

NIPPLE, Flared Tube and Pipe Thread
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Reviews

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Online order was fast and quick. The SS AN fit perfect.

Owl E Verified Purchase

Stainless Steel Fitting AN816-4J
May 9, 2025

Owl E Verified Purchase

Stainless Steel Fitting AN816-4J
May 9, 2025

Proper steel fitting for fuel flow transmitters. !/4 pipe and 3/8 fuel line . Perfect service from spruce as usual

Goodfriend A Verified Purchase

AN816-6 Steel Fitting
March 7, 2025

Proper steel fitting when using fuel flow transmitters. 1/4 pipe and 1/2 fuel line. service 10/10 as usual from Spruce

Goodfriend A Verified Purchase

AN816-7 Steel Nipple
March 7, 2025

Aleksandr O Verified Purchase

AN Fitting AN816-4D Nipple
February 28, 2025

Aleksandr O Verified Purchase

AN816-6 Steel Fitting
February 28, 2025

Ordered for JPI fuel flow transducer to connect to 8D hose fitting

Jason P Verified Purchase

AN816-7 Steel Nipple
February 25, 2025

Worked as expected

Fred C Verified Purchase

AN Fitting AN816-6D Nipple
January 22, 2025

good fit

Steve G Verified Purchase

AN Fitting AN816-4D Nipple
November 1, 2024

Its a good part (but is used as a spare, since I reused parts attached to previous fuel pump)

Gwen W Verified Purchase

AN Fitting AN816-6-2D Nipple
October 26, 2024

Q&A

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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: It appears to me that the brass nipples have a different angle flare than the blue aluminum AN fittings. I believe the aluminum are standard aircraft 37 degree flare angle. Could you confirm if the brass nipples are also 37 degrees? They look to be a 45 degree flare to me. Thank you.

AN816 nipple fittings are straight NPT at one end and 37 degree flared at the other. All types of AN816 are 37 degree flare.

Q: Does the AN816-6D fitting have a 9/16-18 UNF and 1/4 NPT thread?

Correct, AN816-6D has 9/16-18UNF 37* flare thread on one end, and 1/4" NPT on the other end.

Q: I would like to order some Nipple AN 816 but i cant add in my cart ! It seems its a computer problem ? The items i need are : AN816-6D And AN816-6-6-D Could you help me ?

Please enter the quantity desired in the input box for each size and material, then click add to cart. The system will then add all of the items you requested into your shopping cart.

Q: Speaking of thread sizes, how about the thread sizes (and taps sizes) for the AN816-8D?

The AN816-8D will have two types of threads. One end wilL have 1/2 tube OD in which will be a 3/4-16 thread and the other end is a 3/8 NPT.

Q: I NEED A 90 ELBOS WITH THE SAME MEASURE OF THIS AN816

That would be an AN822.

Q: Are these only for use with metal pipes or are they used with Rubber hose too? If not for use with rubber fuel lines then is there an adapter for Part# 05-00907 (Gascolator mount)?

This could be used with a rubber hose like a 303 but you would need to install the 491 fittings on the hose.

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