A gas turbine comprising a combustion chamber , a sensor and a mountable attachment for positioning the sensor in the combustion chamber , the mountable attachment , comprising: a mounting member having a hollow elongated configuration to at least partially incorporate the sensor therewithin, the mounting member comprising: a first end portion having a shoulder member projecting radially inward from the first end portion , a second end portion having internally configured threads to threadably screw the mounting member to a counterpart thereof within the combustion chamber , configuring the sensor within the combustion chamber to measure variable physical parameters within the combustion chamber , and a third portion between the first and second end portions, the third portion having a flange member projecting radially inward from the mounting member , wherein the sensor extends within the mounting member from the first end portion to the second end portion , being at least partially engaged at the shoulder member and the flange member ; and at least one primary resilient member disposed within the mounting member between the shoulder member and the flange member in a coordinating manner with the sensor , wherein the at least one primary resilient member is capable of: applying an axially outward force across at least the mounting member to prevent thereto from loosening from the counterpart , and providing a mounting torque for at least mounting the sensor at a target position within the combustion chamber . a mounting member having a hollow elongated configuration to at least partially incorporate the sensor therewithin, the mounting member comprising: a first end portion having a shoulder member projecting radially inward from the first end portion , a second end portion having internally configured threads to threadably screw the mounting member to a counterpart thereof within the combustion chamber , configuring the sensor within the combustion chamber to measure variable physical parameters within the combustion chamber , and a third portion between the first and second end portions, the third portion having a flange member projecting radially inward from the mounting member , wherein the sensor extends within the mounting member from the first end portion to the second end portion , being at least partially engaged at the shoulder member and the flange member ; and a first end portion having a shoulder member projecting radially inward from the first end portion , a second end portion having internally configured threads to threadably screw the mounting member to a counterpart thereof within the combustion chamber , configuring the sensor within the combustion chamber to measure variable physical parameters within the combustion chamber , and a third portion between the first and second end portions, the third portion having a flange member projecting radially inward from the mounting member , wherein the sensor extends within the mounting member from the first end portion to the second end portion , being at least partially engaged at the shoulder member and the flange member ; and at least one primary resilient member disposed within the mounting member between the shoulder member and the flange member in a coordinating manner with the sensor , wherein the at least one primary resilient member is capable of: applying an axially outward force across at least the mounting member to prevent thereto from loosening from the counterpart , and providing a mounting torque for at least mounting the sensor at a target position within the combustion chamber . applying an axially outward force across at least the mounting member to prevent thereto from loosening from the counterpart , and providing a mounting torque for at least mounting the sensor at a target position within the combustion chamber . <EOS>