TE Connectivity FASTIN-FASTON Series 312 Receptacle and Tab Contact Housings A range of plug style and receptacle style housings for use with FASTIN-FASTON Series 312 contacts. The plug style housings will accommodate FASTIN-FASTON series 312 receptacle contacts, whilst the receptacle style housings will accommodate FASTIN-FASTON series 312 tab style contacts. These FASTIN-FASTON 312 receptacle and plug housings enable the attachment of up to eight separate circuits with a maximum of 20 leads and are primarily used as harness connectors which can be free hanging or panel mounted. Typical applications for these FASTIN-FASTON 312 housings include washers, dryers, electric ranges and other appliances as well as in automotive wiring applications.