9opt s-1639: indicates internal configuration as 20 1x2 switches; input performance: max switching voltage: 250 vac, 250 vdc; max switching current: 20aac, 20adc; max switching power: 4800va, 600w; switching power: 1aac at 12v AC , 1adc at 5v DC
An electronic subassembly designed to be plugged into one or more basic pieces of test equipment to extend the capabilities of the basic instrument. the basic instrument cannot function without one or more plug-in units (as required) in position.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6105-01-175-9061
NSN 4140-00-241-0065
NSN 6145-00-406-4471
NSN 6650-01-187-5937
NSN 2925-01-441-8958
NSN 6145-01-359-4148
NSN 5915-01-287-8188
NSN 5915-01-546-2219
NSN 6220-01-618-4432
NSN 6320-00-893-2857
NSN 6240-00-166-0340
NSN 6220-01-215-3507