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 5990-01-640-7795
NSN 6685-01-210-8175
NSN 5996-01-234-4147
NSN 4140-01-661-2770
NSN 4140-01-369-9921
NSN 4140-01-207-0452
NSN 5835-01-534-3172
NSN 5975-01-227-6858
NSN 6110-01-013-6482
NSN 6135-01-592-4139
NSN 5996-01-438-7529
NSN 6105-01-156-5361