This SAE standard provides general and dimensional specifications for formed tube ends and hose fittings. These connections are intended for general applications in low pressure automotive and hydraulic systems on automotive, industrial, and commercial products. The fittings shown in Figures 2 and 3 are intended to be retained by hose clamps as specified in SAE J1508. It is recommended that where step sizes or additional types of fittings are required, they be designed to conform with the specifications of this document insofar as they may apply. The following general specifications shall supplement the dimensional data contained in the tables with respect to all unspecified detail.
General revision and update to SAE J1231. Size -40 through -80 have been added to Table 3. General updates have been made throughout the document including:. Table 1 Drill Tolerances. . Clarification to Section 7, Straight Threads. . Update to Section 11, Finish. . Tolerance for dimension L reduced at user request. . Artwork redrawn. . Dimensions L5, L7, L16, and L18 revised in line with new artwork. . Various dimensional adjustments to harmonize with SAE J514.