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 4140-01-298-8919
NSN 5905-01-163-7921
NSN 6105-01-319-9061
NSN 5965-01-170-2812
NSN 5925-01-290-1322
NSN 5905-00-967-4823
NSN 5905-00-511-2100
NSN 5910-01-381-0709
NSN 6620-01-407-1158
NSN 5910-01-045-6606
NSN 6320-01-607-1491
NSN 5975-01-060-3048