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Home / Hardware / Fittings / Nylo-Seal /Nylo-Seal Fittings ImP0554
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Nylo-Seal Fittings ImP0554

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$2.86/Piece
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Part# 265-N04
MFR Model# 265N04
Tube ODABDEPart Number
1/41-1/6413/167/323/8265-N04

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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very helpfull

Washington P Verified Purchase

Nylo-Seal Fittings ImP0554
July 28, 2023

Q&A

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Please note, Aircraft Spruce Australia'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 Australia 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: Does these fittings already have the 259-N insert as part of the assembly or should it be bought separately?

You would need to order the 259-N inserts separate.

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