An Fitting Sizes Chart
While an fittings depend on the outside diameter of a tube for sizing npt fittings depend on the interior diameter i d of the fitting itself.
An fitting sizes chart. Dash numbers are nominal. For example 8 16 or 1 2 equates to size 8. The following chart shows the each size s thread per inch count the i d. For example for m12x1 0 the outer diameter of the threads is 12 mm with a 1 0 mm spacing between threads hydraulics direct reviews.
By john heard last updated dec 31 2014. Tube size od thread size wrench size 2. The line drawings below depict the actual sizes of the various common npt thread sizes. These are the same thread sizes that have been used in aircraft and industrial applications for many years.
Note that an threads are different for bolts and fittings. The pit stop usa difference we re the experts we help you find a way to win. Hose diameters are assigned an numbers. Use this handy chart to determine the an fitting size based on corresponding thread sizes.
In bolts the number refers to the diameter of the bolt whereas in a fitting it refers to the od of the tube and thereby have different threads. An hose sizes were designed to match the id sizes of these rigid tubes. Male an orb adapter identification chart the line drawings below depict the actual sizes of the various common an orb thread sizes. Sizes for rigid tubes were already standardized with sizes called out by tubing od 3 16 1 2 etc.
Banjo fittings bosch pump banjo to an fitting kit bosch pump banjo to barb fitting kit imperial banjo bolts metric banjo bolts barbs an female swivel to barb an male flare to barb an o ring port to barb metric male to barb npt male to barb o ring barb to an male flare bsp parallel an to bspp adapters tapered an to bspt adapters bspt male to npt. Since metric measurements give the true sizes of a tube or a fluid pipe dash numbers do not apply for them. Thread size chart for an fittings. Of the fitting and the an fitting size with the closest matching i d inside dimension.
If you are unsure as to what thread size you are using lay your fitting over the appropriate drawing to determine its size. Can you see the confusion starting. For example an6 bolt has a 3 8 24 thread whereas an an6 fitting has a 9 16 18 thread. An fittings hose and tubing size reference charts.
Huge selection over 100 000 products from the top performance brands. For some odd reason the automotive industry wants to make an fittings sound like something special. Using your automotive hose size choose from the chart below to find the an equivalent for hose hose ends and adapter fittings. An fitting and hose size reference.
In order to plumb your vehicle with a minimum amount of time effort and money you should know the basics about hose hose ends and adapter fittings.