This is a black, polybutylene terephthalate (PBT) panel mount hex nut designed for connector accessories. It is typically used to secure connectors to panels.
You can click on the BUY or RFQ button to purchase 845020004 from an authorized MOLEX / WALDOM distributor.
You can download the 845020004 datasheet or visit the MOLEX / WALDOM website for support.
MOLEX / WALDOM