Standard SMA Bulkhead Receptacle, Now Obsolete
The 1053222-1: It's a panel-mount bulkhead design — front or rear side nut — with threaded fastening and solder termination for the shield and center contact. The dielectric is PTFE, and the stainless steel body carries an extended insulation feature.
What the 500 Mating Cycles and Gold Plating Mean
That's a solid reconnect duty for test equipment, instrumentation, or any RF interconnect that sees periodic disconnect and re-mate in the field.
