An thread sizes an army navy sizing was established many years ago by the us. An size metal tube od.
Thread Pitch Charts
An thread size chart. These are the same thread sizes that have been used in aircraft and industrial applications for many years. All units are in inches. Thread size chart for an fittings. They are the threads denier divided by 10. An fittings differ from commercial threads in that they are class 3 instead of class 2 and generally unjf rather than commercial unf. The pit stop usa difference were the experts we help you find a way to win.
Huge selection over 100000 products from the top performance brands. Fuel oil system. The line drawings below depict actual sizes of the various common an thread sizes by dash number. Ansi asme external screw thread size chart. Read fitting size where it intersects the vertical line. Each an size number has its own standard thread size which can be seen in column three of the chart.
Refer to the images below for a comparison of all five sizes of the lizbeth brand thread. Military to set a common standard for designating hose size. Acceptability criteria are described in ansiasme b13m 1992 r2001. For some odd reason the automotive industry wants to make an fittings sound like something special. Unj 3a or 3b. Place fitting against base line.
This screw chart is not comprehensive of all available standard threads as provided by the standard. For example size 3 is a thicker thread than a size 40 and a size 80 is smaller than a size 40. Catch cans tanks. An thread size and an fitting size chart measuring inside diameter. With thread the higher or larger the number of the thread the thinner it is. Commercial sizes are standard for marine grade thread youll see commercial sizes on the sailrite website for our outdoor thread.
Pipe thread size chart use the diagram below to find pipe thread size. Unified screw threads per. An size hose size thread size 3. Each an size number has its own standard thread size see column three of the chart. Measuring outside major diameter. Ansi internal screw threads size chart.
An hex nut size chart male an size chart male npt size chart. Hose fittings. Ansiasme b11 1989 r2001 r2001 nomenclature are used. Hose fittings accessories. This standard of measurement is based on the nominal outside diameter od of the rigid metal tube that each size fitting is used with. The chart to the right will clarify this point.
Again these are the same thread sizes that have been used in aircraft and industrial applications for many years. View print catalogue. Lay your fitting over the appropriate drawing to determine what size fitting you have. Heres a helpful chart that shows how the different sizing methods compare. Use this handy chart to determine the an fitting size based on corresponding thread sizes. Commercial sizes are set sizes of 30 46 69 92 138 207 277 346 415 and 554.
An dash size chart.