Master calibration unit to safelytest and calibrate instruments and controls to 0.5 percent accuracy; 115 vac60 hz input
NSN 5950-01-509-4215
NSN 5975-01-499-1704
NSN 6130-01-046-2466
NSN 6135-01-452-8160
NSN 6220-00-660-5539
NSN 6650-00-353-4097
NSN 6620-01-392-6180
NSN 6620-01-301-8884
NSN 5965-01-502-1396
NSN 5950-01-461-2619
NSN 6145-00-648-2726
NSN 4140-01-258-6685
Last Updated: 07/25/2025