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 6145-01-033-8701
NSN 6645-00-854-7505
NSN 5960-01-029-9186
NSN 6685-01-431-7678
NSN 4140-00-843-1300
NSN 6150-01-587-8450
NSN 5895-01-422-1673
NSN 6145-01-447-0871
NSN 5996-00-864-0775
NSN 6650-01-143-4586
NSN 6220-00-763-4131
NSN 6220-00-266-8222