172075-1 is a 3-circuit positive lock receptacle housing designed for use with FASTON 187 series terminals in micro-switch applications. The housing is constructed from 6/6 nylon material with UL 94 V2 flammability rating and is available in natural color. Key dimensions include 1.720 inches (43.70 mm) length, 0.768 inches (19.50 mm) width, and 0.957 inches (24.30 mm) height. This housing features reduced insertion force and secure locking onto mating tabs containing holes, with a snap action that confirms proper mating. It is recognized under Underwriters Laboratories and certified by Canadian Standards Association, making it suitable for appliance and industrial control applications.