The UNH-5 Unmounted Pinhole can be used as a replacement part. It is made from ultra-thin platinum iridium, and has a 5 µm aperture pinhole. These pinholes are typically used with Newport's Modular Spatial Filter/Laser Beam Expander.

UNH-5非安装的针孔可以作为替换件使用。它是由超薄铂铱,5µm孔径针孔。这些针孔通常与新港的模块化空间滤波器/激光束扩展器一起使用。