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 5915-01-516-5073
NSN 6110-01-505-9546
NSN 5905-01-067-0853
NSN 6220-01-516-9470
NSN 5950-01-172-8564
NSN 6620-00-140-8644
NSN 6685-01-197-7703
NSN 6610-01-426-5090
NSN 6150-00-834-8795
NSN 5990-01-154-3859
NSN 6150-00-964-3323
NSN 5835-00-841-2650