The American Standard thread was adopted in 1864 in the United States.

Question

Quizplus · Accepted Answer

The Unified Thread Standard (UTS), which is the current standard for threads in the United States, was established much later, in the 20th century, to standardize the diverse thread systems previously used. The American Standard thread refers to a group of thread standards that includes UTS, but the specific adoption date of 1864 is incorrect for the UTS itself.

The American Standard Thread Was Adopted in 1864 in the United