Each an size also references a standard male and female thread size that is used on fittings such as hose end fittings adapters and port fittings. Fitting thread size chart the following chart is intended as a quick reference guide for thread size by dash size.
Mechanicsupport Com An Thread Size And An Fitting Size Chart
An fitting thread size. The pit stop usa difference were the experts we help you find a way to win. Thread size chart for an fittings. Each an size number has its own standard thread size see column three of the chart. Typical layout for expansion joints. In female thread od in 1 8 2 5 16 24 5 16. 045 3 8 6 5 8 18 5 8.
Huge selection over 100000 products from the top performance brands. Aerospace industry years ago. Click above to shop all fittings or try our search function in the top right corner. An fittings have straight thread and use o ring seals. The o ring size is typically defined by the as standard. These sizes are constant regardless of brand hose type or fitting configuration.
Hose diameters are assigned an numbers. 027 3 16 3 3 8 24 3 8. 057 1 2 8. 050 15 32. Use a caliper to measure the male or female threads crest to crest diameter on the first fourth and last full threads. Use this handy chart to determine the an fitting size based on corresponding thread sizes.
The numbers are equal to the outside diameter od of the tubing in 116. 039 5 16 5 1 2 20 1 2. Thread size male thread od. If your fitting has a convex 37 degree flare at the end the threads will tell you the an size and vice versa. 038 11 32. Using your automotive hose size choose from the chart below to find the an equivalent for hose hose ends and adapter fittings.
This is known as an thread size. If the diameter increases on a male end or decreases on a female end the thread is tapered. A 38 standard hose equals 6 an. Outside diameters of the tubing in 116. 063 9 16. 034 1 4 4 7 16 20 7 16.
The line drawings below depict actual sizes of the various common an thread sizes by dash number. 031 9 32. As mentioned earlier you can always identify an fittings based on the male thread size outside diameter. Note that an threads are different for bolts and fittings. 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. Sae j518 code 61 and code 62 4 bolt flanges.
Of the rigid metal tube that each size fitting is used with. If all the diameters are the same the thread is a straight thread. The numbers assigned equate to the od. An army navy sizes were established by the aerospace industry years ago and were designated od. For example an6 bolt has a 38 24 thread whereas an an6 fitting has a 916 18 thread. 044 13 32.
Since tubing and hoses can have different wall thicknesses the size number does not necessarily tell you how large the inside diameter will be.
Gallery of An Fitting Thread Size
