OCC’s ruggedized ST connector and ST adapter products represent one of the best single-fiber connection systems available to industries where the ability to withstand extreme temperature change, shock, vibration, or corrosion is required. We offer both commercial-off-the-shelf (COTS) ST’s for harsh environment applications and the fully qualified, Military ST (MIL) that meets or exceeds 100% of the military specification MIL-DTL-83522E.