The SAE J2552 hose shall be a low pressure, push-on hose (SAE J846 code A8).For information regarding age control, application factors, identification, offset and assembly length, see SAE J51 7. Additional information regarding the selection, care, use and routing of hose can be found in SAE J1 273.
The SAE J2552 hose and fitting size is normally designated by the fractional inch indicating the nominal hose inside diameter together with the nominal pipe or straight thread size.
The SAE hose dash size is equivalent to the number of sixteenth inch increments in the hose inside diameter (1 /2 inch I.D. Hose = 8/1 6 = –8 dash size).
The pipe thread dash size is the number of sixteenth inch increments in the nominal pipe thread size (3/4 inch pipe thread = 1 2/1 6 = –1 2 dash size). Other thread style sizes are identified by their assigned SAE dash size numbers as shown in the following fitting tables.
