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 6685-01-606-4833
NSN 6645-01-383-0106
NSN 5935-01-452-1467
NSN 5945-01-215-7928
NSN 6320-01-088-1109
NSN 5920-01-211-4365
NSN 6110-00-546-2139
NSN 5930-01-325-4681
NSN 6645-00-472-4048
NSN 7035-00-533-4464
NSN 4140-01-152-9161
NSN 6610-01-309-1413