The 75-068028-15P from Amphenol Industrial Operations is a 35-contact circular connector receptacle (ER) with 35 size 16 male pin contacts for wall mounting.
The 75-068028-21P from Amphenol Industrial Operations is a 37-contact circular connector receptacle (ER) with 37 size 16 male pin contacts for wall mounting.
The 75-068028-16P from Amphenol Industrial Operations is a 20-contact circular connector receptacle with pin contacts, all size 16, for wall mounting (ER).
The 75-068028-12S from Amphenol Industrial Operations is a 26-contact circular connector receptacle with socket contacts, all size 16, for wall mounting (ER).