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 5965-01-167-8513
NSN 5895-01-375-0486
NSN 6130-01-649-9961
NSN 5905-01-310-8505
NSN 5915-00-151-4629
NSN 6135-01-022-5427
NSN 6685-01-226-1235
NSN 5985-01-088-3903
NSN 2925-01-175-1217
NSN 6110-00-147-9063
NSN 6685-01-522-0375
NSN 5945-01-446-0954