Schurter Telephone Headset to USB Converter, Adapter

4 Disposable washers provided for panel thickness adjustment.

Modular sockets

Series SS 63, 64 and 65.
A series of 4, 6 , 8 and 10 pin modular sockets for PCB mounting that meet the requirements for flawless communication and data transmission.
The sockets are made of black polyester (PE) with gold-plated phosphor bronze contacts; 30 μinch gold (Au) over 75 μinch nickel (Ni).
  
The series includes a number of variants:
Standard, series 63 (horizontal)
Low profile, series 64
Vertical, series 65
Unflanged, type NF
With panel stop, type FLS
With full flange, type F
With code (key)
With thicker gold plating on contacts.