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Nylo Seal Fittings 264-N Union Tee

3 Reviews 1 Answered Question

From $4.75 to $6.85

Tube OD	A	B	D	E	Part Number	Price	Buy
1/4	1-9/64	47/64	7/32	15/32	264-N04	$4.75	Quantity
3/8	1-11/64	31/32	11/32	19/32	264-N06	$6.85	Quantity

Subtotal $0.00

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Overview
Reference Chart
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Overview

Nylo-Seal tube fittings are exceptionally strong. The bodies, made of nylon, are stronger than machined fittings of similar composition. They are furnished complete with nut/sleeve assemblies, made of acetal copolymer. Since the sleeve snaps into and is retained by the nut there is no fumbling for a loose sleeve. Just insert tube into the fitting and tighten the nut 2 to 2-1/2 full turns. Note: The most frequently used combination of tube and pipe sizes are 1/4" Tube x 1/8" Pipe and 3/8" Tube x1/4" Pipe.

For Nylo-Seal tubing, see "Accessories" tab

Less 10% on 50 pieces per size, Less 20% on 100 pieces per size

Reference Chart

259-P CAP,
259-N Insert (Nylon)

261-N Nut and
Sleeve Assembly

Tube O.D.	A	D
1/4	3/8	1/8
3/8	7/16	13/64

Tube O.D.	Thd.	A	C
1/4	7/16-20	15/32	9/16
3/8	5/8-20	37/64	3/4

262-N Union

Tube O.D.	A	B	C	D	E
1/4	1-25/64	63/64	5/8	7/32	15/32
3/8	1-21/32	1-1/4	13/16	23/64	19/32

264-N Union Tee

Tube O.D.	A	B	D	E
1/4	1-9/64	47/64	7/32	15/32
3/8	1-11/64	31/31	11/32	19/32

266-N Female Connector

Tube O.D.	Pipe Thread	A	B	C	D	E
1/4	1/8	1-9/64	15/16	9/16	7/32	9/16
1/4	1/4	1-5/16	1-7/64	11/16	7/32	47/64
3/8	1/4	1-27/64	1-7/32	11/16	11/32	3/4
3/8	3/8	1-27/64	1-7/32	13/16	11/32	3/4

265-N Elbow Union

Tube O.D.	A	B	D	E
1/4	1-1/64	13/16	7/32	3/8
3/8	1-5/32	15/16	11/32	7/16

268-N Male Connector

Tube O.D.	Pipe Thd.	A	B	C	D	E
1/4	1/8	1-13/64	1	5/8	15/64	15/32
1/4	1/4	1-25/64	1-3/16	5/8	15/64	11/16
3/8	1/4	1-17/32	1-21/64	13/16	5/16	19/32
3/8	3/8	1-19/32	1-25/64	13/16	11/32	19/32

269-N Male Elbow

Tube O.D.	Pipe Thd.	A	B	D	E	F
1/4	1/8	1-1/64	13/16	7/32	3/8	27/32
1/4	1/4	1-1/64	13/16	13/32	3/8	1-1/32
3/8	1/4	1-9/64	15/16	5/16	7/16	1-1/32
3/8	3/8	1-9/64	15/16	11/32	7/16	1-3/32

271-N Male Run Tee

Tube O.D.	Pipe Thd.	A	B	D	E	F
1/4	1/8	59/64	21/32	7/32	15/32	3/4
1/4	1/4	59/64	13/32	7/32	15/32	29/32
3/8	1/4	1-5/32	61/64	5/16	19/32	1-1/16
3/8	3/8	1-3/16	61/64	23/64	19/32	1-7/64

272-N Male Branch Tee

Tube O.D.	Pipe Thd.	A	B	D	E	F
1/4	1/8	15/16	47/64	7/32	15/32	3/4
1/4	1/4	15/16	47/64	7/32	15/32	13/16
3/8	1/4	1-11/64	31/32	5/16	19/32	1-1/16
3/8	3/8	1-11/64	31/32	23/64	19/32	1-7/64

282-N Bulkhead Union

Tube O.D.	Pipe Thd.	A	B	C	D	E	F	G
1/4	7/16-20	1-57/64	1-31/64	5/8	7/32	15/32	5/8	5/16
3/8	5/8-20	2-1/4	1-53/64	13/16	11/32	19/32	7/8	3/8

*Use 259N inserts w/all Poly-Flo tubing connections. Not needed w/ Nylo-Seal tubing.

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Reviews

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as advertised

Tom D

January 1, 2021

These worked great interfacing with the pitot/static lines on a Grumman Cheetah (AA5/AA5A/AA5B) during a Trio Pro-Pilot installation. Also worked great during the installation of an Aerovonics AV-20-S as well. Highly Recommend!

T N

November 29, 2018

Sorry but nearly every order is perfect in the past but in this case a very small exception. One of the Union “T’s” only have 2 of the 3 tightening “nuts” on the end. (I had an extra from previous orders.)

William B

April 17, 2020

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: Can these fittings be used with soft aluminum tube?

Yes, these nylon compression fittings can be used on soft aluminum tube.

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