ANSI/ASA S3.37-1987
Preferred Earhook Nozzle Thread for Postauricular Hearing Aids

Standard No.

ANSI/ASA S3.37-1987

Release Date

1987

Published By

American National Standards Institute （ANSI)

Latest

ANSI/ASA S3.37-1987

Scope

This standard describes a preferred thread for earhook nozzles on postauricular hearing aids. The need for such a standard arises from the wide variety of earhooks that hearing aid dispensers are required to keep in inventory to utilize different postauricular hearing aids from several manufacturers. This standard applies only to those postauricular hearing aids which utilize screw-on threads.

ANSI/ASA S3.37-1987 history

• 1987 ANSI/ASA S3.37-1987 Preferred Earhook Nozzle Thread for Postauricular Hearing Aids