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 6135-01-475-1040
NSN 6150-01-483-2388
NSN 6105-01-077-8135
NSN 5996-00-111-7216
NSN 6130-01-502-6014
NSN 5910-01-633-6937
NSN 5975-00-198-8763
NSN 6145-01-350-6943
NSN 5935-01-399-6523
NSN 5975-01-016-7609
NSN 6685-00-532-4858
NSN 5855-00-014-5008