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 6620-01-084-5112
NSN 6645-01-654-5293
NSN 7035-01-455-7277
NSN 6110-01-128-8583
NSN 6610-00-105-1677
NSN 6220-01-278-9369
NSN 5915-01-551-0745
NSN 6610-01-660-3966
NSN 5925-01-446-5267
NSN 6240-00-614-9679
NSN 6145-00-242-0569
NSN 4140-01-152-2672