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 5915-00-431-6718
NSN 6135-01-247-5660
NSN 5998-01-331-7542
NSN 7035-00-897-7567
NSN 5960-01-575-7818
NSN 5905-01-168-8793
NSN 5835-00-632-8621
NSN 6685-01-095-1089
NSN 6150-00-763-7220
NSN 5835-00-190-3401
NSN 2925-01-429-2235
NSN 7035-01-633-1920