Back in the 50’s, early 60’s A/S faucets consisted partswise
1- bibb washer & screw, 1- O-ring, 1-stem, 1 stem guide, 1 seat. Handles were either lever or round with scallop edges.
That faucet evolved into the AguaSeal, hence the jist of this post. Yesterday I got into a doctors office, probably...