The 635A-7407-16 is an aluminum threaded spacer designed for precision PCB and chassis assembly applications. This spacer features a 0.250 inch outer diameter (D) with multiple height options and is available with either 4-40 or 6-32 UNC threaded taps for secure fastening. The part is finished with yellow iridite coating (per the -16 suffix designation) for corrosion protection and enhanced durability in electronic assemblies. The spacer accommodates various board thicknesses and provides reliable standoff support for stacked circuit boards, component isolation, and structural alignment in compact electronic enclosures and equipment.