note:the following size is just for you refer , unstandard size is custom-made.

Advantages
Parker Air Transmission Fittings utilize a specially designed slotted
sleeve to help eliminate notch stress related to over-torque. The fitting
design is ideally suited for use in pressure protected air transmission
applications.
Application
Use with SAE J844 type A nylon tubing in pressure protected air
transmission applications.
Technical Data
• Working pressure from 0 to 150 psi
• Working temperature from -40° F to +220°F
Assembly Instructions
1. Cut tubing squarely.
2. Insert tubing into fitting until bottomed.
3. Tighten nut 1 1/2 turns from finger tight.
Order
By part number and name. Nuts and sleeves may be ordered as
separate items by their catalog number.

Nomenclature
Part numbers are constructed from symbols that identify the style and
size of the fitting. The first series of numbers and letters identify the
style and type of fitting. The second series describe the size.

Sizes

Tube sizes are determined by the number of sixteenths of an inch in the
tube O.D.
Special Fittings
Fitting configurations and/or sizes other than those shown in the
catalog can be furnished. It is suggested that a print or sketch be
submitted with the inquiry.
Pricing
Only items priced in current supplementary price list PL3501 are
carried in stock. Price and delivery for non-stock items furnished on
request for specified quantities.