174353-7 is a yellow polyester double lock plate designed for use with 2-position Econoseal J Series Mark II+ plug connector housings. This lock plate is sold separately and one is required for each connector housing to secure the receptacle contacts in place. The lock plate is manufactured from yellow polyester material and is compatible with plug connectors that utilize receptacle contacts in the 070 Series. It is commonly used in sealed connector applications where secure contact retention is essential for reliable electrical connections in automotive and industrial environments.