The 641777-1 is a natural cap housing adapter made of glass-filled nylon. It is designed to secure the cap housing strain reliefs to the housings and prevent the strain relief halves from pulling inward when tightening the screws to clamp the cable.
You can click on the BUY or RFQ button to purchase 6417771 from an authorized AMP - TE CONNECTIVITY distributor.
You can download the 6417771 datasheet or visit the AMP - TE CONNECTIVITY website for support.
AMP - TE CONNECTIVITY