Keystone Electronics .187 Jack Screws are 4.8mm diameter (.187") screws designed for D-subminiature connectors used in computer cables and other electronic equipment. The product portfolio includes standard jack screws, a sems version with a captivated helical spring lock-washer that simplifies use, a slotted version for installation with a screwdriver, and a version with a nylon patch that firmly holds the jack in vibration applications. Keystone Electronics .187 Jack Screws feature a 3/16 hex head and 4-40 thread and are offered in stainless steel or with zinc chromate plating in yellow or clear.
Sems (captivated helical spring lockwasher, simplifies use)
Slotted (provides ability to install jack with screwdriver)
With nylon patch (holds jack firmly in vibration applications)
4.8mm (.187") diameter
3/16 hex head
Stainless steel, or zinc chromate plating in yellow or clear