Contractor to provide UT Calibration Standards Package IAW drawing 4297425 for 120mm and 155mm cannon tubes per the Statement of Work. 2 of the 4 standards may require CARC paint on the OD and chrome ... Contractor to provide UT Calibration Standards Package IAW drawing 4297425 for 120mm and 155mm cannon tubes per the Statement of Work. 2 of the 4 standards may require CARC paint on the OD and chrome plate on the ID. Service Contract Labor Standards Wage Determination No. 2015-4143 Latest Revision will apply. This requirement is being set-aside for small businesses.